Q: How many grams of CaCl2 should be dissolved in 500? mL of water to make s 0.333 M solution?
A: Given Volume = 500 mL Molarity of solution = 0.333 M Mass of CaCl2…
Q: If 1.25 moles of NaOH is dissolved in 180g of water, what is the molality of the solution?
A:
Q: Calculate the mass percent by volume (% w/v , in g/100 mL) of 42.6 g of glucose in 325 mL of…
A: Mass of glucose = 42.6 g Volume of solution = 325 mL
Q: Calculate the grams of calcium acetate required to make 2.00 L of a 0.250 M solution.
A: Molarity: number of moles of solute present in the given solution.
Q: Calculate the number of moles of solute in 0.750 L of 2.25 M solution.
A: Molarity is defined by the ratio of the number of moles of solute to the volume of solution to in…
Q: Calculate the mass of potassium permanganate present in 500.0 mL of a 0.100 N solution.
A: Step : 1 Calculate the mass of potassium permanganate.
Q: Fifty milliliters (mL) of a 0.10N solution of sodium thiosulfate, NazS2O3, is to be make a 0.02ON…
A: Given data, To calculate the final volume by using the following equation,
Q: What is the molarity of a solution made by dissolving 9.82 grams of FeBr5, molar mass 455.22 g/mol,…
A:
Q: A 34.0% sulfuric-acid solution has a density of 1.25g/mL. How many grams of H2SO4 are contained in…
A:
Q: How many grams of copper sulfate would you need to make 3 L of a 7 M copper sulfate solution (m.w. =…
A: Molarity of a solution is defined as the number of moles of solute present in one litre of a…
Q: (c) the molality, (d) the molarity of H;SO4 in this solution. (H:1, S:32, O:16 g/moles)
A:
Q: How many grams of lithium fluoride (LiF) must be added to 93.2 g of water to prepare a 10.5% (m/m)…
A:
Q: 0.100 mole of NaCl is dissolved into 100.0 grams of pure H2O (molar mass= 18 g/mol). How many moles…
A: Given, Number of moles of NaCl = 0.100 mol Mass of water = 100 g Molar mass of water = 18 g/mol
Q: What is the percent % (w/w), concentration of sucrose in a solution made by dissolving 7.6 g of…
A: Mass of glucose (solute) = 7.6 g Mass of water (solvent) = 83.4 g Percent concentration (weight…
Q: What is the mass percent of the solution formed when 5.0 grams of solute is dissolved in 40.0 grams…
A:
Q: what is the percent by mass of a solution made by dissolving 55.0 g NaCl in 275 g water?
A: Mass of the solution is mass of the solute plus mass of the solvent.
Q: determine the molarity of a solution form by dissolving 468 mg mgl2 in enough water to yield 50.0ml…
A: Molar mass of MgI2 = 278.1139 g/mol. Number of moles of magnesium iodide is calculated as,
Q: What mass of MgBr2 is required to make 250.0 ml of 0.75 M MgBr2 solution
A: Mass of MgBr2
Q: Calculate the molarity of a solution composed of 60g of KI in 450mL of aqueous solution
A: Applying formula Molarity = (n/VmL)×1000
Q: What mass of glucose (C6H12O6) must dissolve in 679 g of ethanol to make a 0.92 m solution?
A: Molality of solution is equal to number of moles of solute dissolved in per kg of solvent. It is…
Q: How many moles of ammonia are in 735. mL of a 4.25 M aqueous ammonia solution?
A:
Q: How many moles of solute particles are present in 1 L (exact) of aqueous 0.025 M HNO3?
A:
Q: If a 1.0L of red grape wine is 13.0% alcohol by volume, how many mL of the solution is ethanol?
A:
Q: In order to prepare a solution, we need to dissolve 205 mL of ethanol in sufficient water to give a…
A:
Q: Calculate the percent by mass for a solution with 0.800 g potassium bromide in 4.00 mL of water.
A: Mass percent (w%) is the way of expressing the concentration or a component in the solution. The…
Q: A solution containing an equimolar amount of NaCl and HCl is prepared. Assuming 1 mol of NaCl and 1…
A:
Q: How many mols of solute are in 125mL of a 2.0M hydrochloric Acid solution?
A: Molarity is defined as the number of moles of solutes present in per litre of solution.
Q: Calculate the volume of a 3.50 molar solution of H2SO4 made from 49.0 grams of H2SO4
A:
Q: How would you prepare 69.0 g of an aqueous solution that is 5.00% potassium iodide, KI, by mass?…
A:
Q: What mass of glucose (C,H,20,) must dissolve in 2188 g of ethanol to make a 0.57 m
A: Molality (m) : Moles of solute present in 1kg of solvent m = n/ W( in kg) Where m = molality =…
Q: Calculate the molality, molarity, and mole fraction of NH₃ in an 8.00 mass % aqueous solution…
A: The mole fraction of a solute is the number of moles of solute per moles of solution. Mole fraction…
Q: What is the lowest temperature that is needed to completely dissolve 1000 g of sodium hydroxide in 1…
A: Solubility of a substance is defined as the minimum amount of a substance which can be dissolved in…
Q: O How many grams of carbonate ion are present in 10.0 mL of 14.0 M sodium carbonate solution?
A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…
Q: How many grams of potassium sulfate must be added to make 250ml of a 0.100M potassium sulfate…
A: From given molarity value and volume the moles of potassium sulfate required is first calculated.
Q: What mass of NaCl is dissolved in 400. g water in as 0.250 m solution?
A: 1- First calculate the moles of NaCl : Mass of solvent = 400g × ( 1kg / 1000g ) We know that, 1kg…
Q: Calculate the molarity of 29 g of ethanol (C2H5OH) in 545 ml of solution
A:
Q: A solution of 1,921 g of nicotine in 48.92 g of water has a freezing point of -0.450 ° C. Determine…
A: Given: The mass of nicotine in the solution = 1.921 g The mass of water = 48.92 g The freezing point…
Q: of what is the percent by volume isapropy! alcohol in a solution that'contains 07 mL of isopopy…
A: Volume of Solute = 27 mL Volume of water = 2.3 L = 2300 mL So, Volume of soln =( 27 + 2300 ) mL…
Q: 78.21 grams of MgCl2 were dissolved in enough water to give 70.5 mL of solution. Calculate the…
A: Given :- mass of MgCl2 = 78.21 g volume of solution = 70.5 mL To calculate :- percent by volume…
Q: 6. How many grams of Na CO; must be dissolved in 40mL of solution that is exactly 2.45 M? What would…
A:
Q: 12.58 grams potassium hydroxide dissolved in 100 mL ethanol. Give the molarity and molality.
A: Molarity of a solution can be defined as the number of moles of solute dissolved per litre of…
Q: from this solution prepare 0.05 N , and 0.02 N solution in 250 ml distill water ?
A: From a stock primary standard solution we can prepare others solution .
Q: How man grams of methanol CH3OH, when dissolved into 750.0 g of water, would result in a .500m…
A: Density of water 1 g/mL so the volume of solution = 750 mL = 0.750 LConcentration of methanol =…
Q: The molecular weight of NaOH is 40. How many grams of NaOH pellets are needed to make 250 mL of…
A: Normality is the gram equivalent weight of solute per Liter of solution. It is the unit of…
Q: Calculate the molality of a solution formed by adding 3.40 g NH4Cl to 17.5 g of water.
A:
Q: Calculate the molarity of solution. 3.25 mol of LiCl in 2.78 L solution
A: Given, number of moles of LiCl =3.25 molvolume of solution =2.78 Lwe are asked to calculate the…
Q: How many moles of solute is contained in 1.25L of a 0.350M solution ?
A: Using formula of molarity moles of solute can be calculated. Given : Molarity = 0.350M and.…
Q: What mass of NaCl is dissolved in 170 g of water in a 0.040 m solution?
A: Molality is defined as the number of moles of solute per kilogram of solvent.
Q: 2. What mass of NANO3 should be dissolved in 25.0 mL of water so that the resulting solution freezes…
A: The normal freezing point of water is 0.0oC and the freezing point of solution is -6.0oC. Therefore,…
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Solved in 4 steps
- What mass of glucose (C6H1206) must dissolve in 917 g of ethanol to make a 0.40 m solution? Answer:57. A hospital medication order calls for the administration of 100 g of mannitol to a patient as an osmotic diuretic over a 24-hour period. Calculate (a) how many milliliters of a 15% w/v mannitol injection should be administered per hour and (b) how many milliosmoles of mannitol (m.w. 182) would be represented in the prescribed dosage. bee(Q68) What mass (in grams) of ethylene glycol (C2H6O2) must be added to 1,296 grams of water to lower the freezing point to -1.10 °C? (3 sf)
- Answer the following questions: How many grams of sucrose (C12H22O11) are present in 50.0 mL of a 1.50 M solution? How would you prepare 100.0 mL of 0.0500 M HCl from a stock solution of 3.00 M HCl?Please help me answer the following question. It will be a big help, thank you! *Express the formality (F) the concentration of each of the following solutions: a. 28.4 % NH3 by weight, having a density of 0.808 g/mL b. 69.5 % HNO3 by weight, having a density of 1.42 g/mLWhat would the resulting solution be if CO2 (g) is dissolved into H2O (l)? Group of answer choices Liquid solution Gas solution Crystalline solution Solid solution
- How many grams of potassium hydroxide, KOH (molar mass = 56.11 g/mol) would need to be dissolved in 1.000 Liter of a water solution to give a concentration of KOH = 0.85 Molar (moles/Liter)? Answer:(Q65) Calculate the vapor pressure (in torr) at 30°C of a solution containing 144.6 grams of the nonelectrolyte glucose (C6H1206) dissolved in 788.9 grams of water. The vapor pressure of pure water at this temperature is 31.80 torr. (4 sf)1) 0.1% w/v = ? mg/100 ml? Only include the number and not any units 2) 0.1% = ? ug/ml? Only include the number and not any units 3) What is the concentration of your stock in ug/ml? Only include the number and not any units 4)The molecular weight of tartrazine is 534.4 g/mole. What is the concentration of your stock solution in mM? Be sure to give your answer in milliMolar to TWO decimal places. 5)What dilution of your stock do you need to get the first standard (100 ug/ml)? Express as 1:x, where x is the fold dilution needed. 6)What weight of tartrazine (in mg) would you need to make up 250 mL of a 2.5 mM solution (MW of tartrazine is 534.4 g/mole)? Give your answer to the nearest whole number. write the number only, not the units
- 1) 0.1% w/v = ? mg/100 ml? Only include the number and not any units 2) 0.1% = ? ug/ml? Only include the number and not any units 3) What is the concentration of your stock in ug/ml? Only include the number and not any units 4)The molecular weight of tartrazine is 534.4 g/mole. What is the concentration of your stock solution in mM? Be sure to give your answer in milliMolar to TWO decimal places. 5)What dilution of your stock do you need to get the first standard (100 ug/ml)? Express as 1:x, where x is the fold dilution needed.colligative property. If 80 g of sacarose (C12H22011) are dissolved in 650 g of water, calculate the boiling point of the resulting solution if the boiling point of water is 100°C.NEED ASAP: Which solution will have the highest osmotic pressure? 0.01 m CaCl2 0.01 m Na2SO4 0.02 m KNO3 0.01 m Li3PO4