In the US, alcohol proof is equal to twice the percent of alcohol (ethanol) by volume, so for example, 190 proof alcohol is a 95% ethanol solution by volume. What is the proof of a 375-mL bottle of tequila that contains 3.26 moles of ethanol, C2H5OH, which has a density of 0.785 g/mL?

Q: Calculate each of the following for the hydrated 'compound':           Mg5Al4(P3Se7)3⋅⋅6H2O NA =…

A: The compound given is Mg5Al4(P3Se7)3.6H2O.

Q: The maximum contaminant level (MCL) set by the EPA of antimony in drinking water is 0.0060 mg/L.…

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Q: Granulated sugar (sucrose, C12H22011) has an average density of about 0.71 g/cm³. Calculate the…

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Q: How many moles of water are present in a 20.00 gram sample of potassium carbonate sesquihydrate,…

A: Given that:  Mass of K2CO3.1.5H2O(potassium carbonate sesquihydrate) = 20.00 g Molar mass of K2CO3 =…

Q: If an mL of Hydrochloric Acid is equivalent to 1.5mL of 0.5N Sodium Hydroxide, the volume of alkali…

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Q: 1) What mass of NaOH (in grams) do you need to make 250.0 mL of a 1.50 M NaOH

A: The molarity of the solution is given by the equation, molarity=moles of solutevolume of solutionL…

Q: 1-Calculate the mass of compound required to prepare 100.00 mL of a 1.40x102 M CuCl2 ?.

A: Molarity is number of moles of solute present per liter of solution, notated as M and the unit is…

Q: What volume of 0.220 M NaOH, in milliliters, contains 45.0 g of NaOH? Volume mL %3D

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Q: One of the challenges astronauts face is in space travel is the build-up of carbon dioxide in their…

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Q: What mass of a concentrated solution of nitric acid (68% HNO3 bY mass) is needed to prepare 400 gram…

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Q: (c) How much volume of 1.3 M NaOH solution can be made by diluting 48 ml of 4 M NaOH.   (d)…

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Q: Consider the beer Samual Adams Boston Lager, that has an approximate alcohol content of 4.5. Which…

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Q: What is the concentration of NaCl for a density of 1.058g/mL

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Q: Roviee Topics The concentrations of pollutants are often reported as parts per million (ppm). Parts…

A: Given: Limit concentration for barium is 2.0 ppm.

Q: A chemist has a sample of 1.88 M HCl. What volume of the sample does he require to prepare 200 mL of…

A: M1=1.88M; V1=?    M2=0.45M; V2=200mL

Q: I just read the definition of the Colligative Properties​, but could you explain use the…

A: Colligative property depends only on temperature.

Q: How many grams of Na2CO3 do you need to prepare 50.00 mL of a solution that is 1.04×10-3 M in Na+?

A: Given :-  Molarity of Na+ in solution = 1.04×10-3 M  Volume of solution = 50.00 mL  To calculate :-…

Q: What is the mass percent concentration of a saline solution prepared by dissolving 1.00 mol of NaCl…

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Q: What volume of 0.172 M NaOH, in militers, contains 200g of NaOH? Volume mL

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Q: How many sodium (Na) atoms are in 1.0 L of a 1.0 M solution of sodium carbonate (Na2CO3, 106.0…

A: Mole= molarity×volume  Mole= 1×1=1 mole of Na2Co3 1 mole Na2Co3 gives 2 mole of Na+  Mole of sodium…

Q: A major component of honey is fructose (C6H12O6) with a molar mass of 180.16 g/mol. A tablespoon…

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Q: Suppose you had a solution of 6.84 g of sugar ( sucrose C12H22O11) in 90.0 g of water ? Calculate…

A: The number of moles of a compound can be calculated by dividing the mass of that compound given with…

Q: What is the molarity of a solution made by dissolving 12.711 g of potassium carbonate, K2CO3, in…

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Q: Sea water contains 3.5% NaCl, by mass. (a) If the density of seawater is 1.02 g/mL, how many grams…

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Q: The formula for a sports rub cream is given in the literature as follows: Methylsalicylate 15 mL…

A: We have to prepare 2 dozen 30-g tubes of ointment. So, total ingredients need 30 × 12 × 2 = 720…

Q: What volume of a .32 M Mg(NO3)2 solution contains 45 g of Mg(NO3)2?

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Q: In an experiment, a solution is prepared by dissolving 55.0 g NaOH in water until the final volume…

A: Given mass of NaOH = 55 g Volume of solution = 300 ml = 300 × 10-3 L

Q: A soft drink contains 39 g of sugar in 303 g of H2O. Part A What is the concentration of sugar in…

A: We have given that Mass of sugar = 39 g Mass of water = 303 g

Q: 3cucl,(aq) + 2Fe(s) 2Fecl,(aq) + 3cu(s) If you had a solution of copper(II) chloride that contained…

A: Number of moles of any substance can be calculated by dividing the mass of the substance by its…

Q: 3. If a researcher starts with 3.00 mL of a 4.50 mg/mL protein solution and adds 10.0 mL of water,…

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Q: A solution is prepared by dissolving 125 g sucrose (C12H22O11) in 135 g H2O.  Calculate the mass %…

A: Given; The mass of the solute is 125 g. The mass of water is 135 g.

Q: What volume (in mL) of a soft drink that is 10.5% sucrose (C12H22O11) by mass contains 78.5 g of…

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Q: One of the ionic compounds in sports drinks is potassium dihydrogen phosphate (KH2PO4). The label on…

A: The question is based on the concept of solutions.   molarity is a method of expressing…

Q: In the below problem, we found the typical concentration of vinegar to be 0.839 M. What volume of…

A: Vinegar is the solution of acetic acid and water. Molarity is defined as the amount of solute…

Q: In biochemistry laboratories,  solutions of sucrose (table sugar, C12H22O11) are used in high-speed…

A: Concentration (g/L) = Molarity x Molar mass  Volume (L) = Mass (g)/Concentration (g/L) Given that:…

Q: 3. What is the mass percent of each component in the mixture formed by adding 12 g of calcium…

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Q: What volume of 0.244 M NaOH, in milliliters, contains 30.0 g of NaOH? Volume mL %3D

A: Molarity of the solution is obtained by dividing the number of moles of solute by the volume of…

Q: 2. The density of acetic anhydride is 1.08 g/ml. What is the mass of 2.00 ml of acetic anhydride?…

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Q: A Hydrate of cobalt (II) chhloride has a mass of 165.88 g before heating. After heating, the…

A: Given: The mass of a hydrate of cobalt (II) chloride before heating = 165.88 g The mass of the…

Q: A 12.0 wt% solution of CaCl2 (110.98 g/mol) has a density of 1.107 g/mL. What is the mass, in…

A: Since you have posted mulitiple question in a session, we are entitiled to answer only first…

Q: To what volume (in mL) would you need to dilute 45.0 mL of a 1.20 M solution of NaBr to make a…

A: M1 x V1 = M2 x V2 where, M1 = Initial molarity; V1 = Initial volume             M2 = Final molarity;…

Q: Fluoridation is the process of adding fluorine compounds to the drinking water. Fluoridated water…

A: The concentration term 1 ppm means that there is 1 mg present in 1 L solution. 1 gallon =3.78541 L…

Q: How many sugar molecules are present in 300 mL of a 2.0 M solution? (The formula for sugar is…

A: Molarity = 2.0 M  Volume = 300 ml = 0.3 litres Number of moles = molarity x volume(litres)

Q: An aqueous solution known as Ringer's lactate is administered intravenously to trauma victims…

A: Given: Concentration of sodium lactate (NaC3H5O3) =3.50 mM The volume of Ringer's lactate=7.00 L To…

Q: I dissolve 19 grams of NaOH in 1.404 L of water, what is the Molarity of the solution?

A: Molarity =mole×1000÷volume  0.45M

Q: What is the mass percent of solute for: a.7.6 grams…

A: Mass percentage is defined as the total mass of the substance(solute) divided by total mass of the…

Q: At 20°C, acetaminophen has a solubility of about 1.5 g/100 mL in water. If you recrystallize 5.00g…

A: Given: Solubility of acetaminophen in water = 1.5 g/100 mL of water = 0.015 g/mL of water. Mass of…

Q: acetic acid (CH3COOH), known as glacial acetic acid, is a liquid with a density of 1.049 g/mL at 25…

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Q: What is the molarity of a solution prepared by dissolving 54.3 g of Ca(NO3)2 into 355ml of water?

A: Given :  Amount of Ca(NO3)2 = 54.3 g  Volume of water = 355 mL  To calculate :  Molarity of solution…