Complete the equation (including states) below. Note: Write formula with numbers not in subscript format eg. H2O(1). CO2(g). - K2SO4(aqg) + 2H200

Q: 1. How many grams of Ca (OH)2 do you need to prepare a 250 mL of 0.2M solution. Calculate mol wt. of…

A: Here, we have to calculate the mass of Ca(OH)2 that is needed to prepare a 250 mL of 0.2 M solution…

Q: If 10.32 ml of 0.0523 M S2O3 2- reacts with I2 in a sample of PVP-I solution, how many grams of I2…

A: Given: Molarity of S2O3 2- = 0.0523 M Volume of S2O3 2- = 10.32 mL

Q: Calculate the exact mass of NaOH needed to prepare 1.0L of 0.25N NaOH for standardization.

A: Concentration terms are used to express the amount of solute present in a given amount of solution.…

Q: must be prepared. However, you only have adrenaline tartrate (Mw 333.3 g/mol) available. How %3D…

A: 1 mol adrenaline tartrate contains 1 mol of adrenaline. Now, Concentration of adrenaline solution =…

Q: Wine goes bad soon after opening because the ethanol (CH, CH OH in it reacts with oxygen gas (0,)…

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Q: 1. An aqueous solution with 15 g sulfuric acid is dissolved to make 0.2F solution. The specific…

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Q: An herbicide is found to contain only C, H, N, and Cl.The complete combustion of a 100.0-mg sample…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: Two ways the concentration of a solution can be reported are: 1) mass % and 2) molarity. The reagent…

A: Given, the weight percent of HCI is 36.5-38%. This indicates that in 100g of solution of HCI, you…

Q: Concentrated’’ sulfuric acid solution is 95% sulfuric acid by mass (and the remainder water) and has…

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Q: © Oxfo CompoundAIS an organic acia coi alning C, H and O only. A student analyses compound A to find…

A: Molar mass is the mass of 1 mole of any substance. It can be calculated by the following formula.…

Q: 1. An aqueous solution with 15g sulfuric acid is dissolved to make 0.2F solution. The specific…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: What is the mass/volume percent,%(w/v), of sucrose(C11H22O12) in a solution prepared by dissolving…

A: We are guven with, Mass of sucrose, w= 39.0 g    (given) Total volume of solution, v = 355 mL…

Q: An alloy is found to be 41.8% Zn and the rest is Cu. If 15.0g of Cu is added to 45.0g of this alloy,…

A: To calculate percentage of Cu in a Zn-Cu alloy after the addition of fresh Cu to the already…

Q: What mass of KNO3 [MW=101] is needed to prepare 250.0mL of 0.450 M KNO3 in water?

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Q: 2- Calculate the AH of NaCl when it is heated from 0.0°C to 100.0°C.

A: Given that : Initial temperature = 0.0°C Initial temperature = 100.0°C The heat capacity of NaCl is…

Q: How do I convert 3485.5 K cal to Joules?

A: The conversion of 3485.5kcal to calories is as follows:

Q: A mixture is 10.0 mole % ethyl alcohol, 75.0 mole % ethyl acetate and 15.0 mole % acetic acid. What…

A: Number of  moles of ethyl alcohol= 10 mol Number of moles of ethyl acetate = 75 mol and number of…

Q: A solute, having a mass of 4.5 lbₘ and density of 1.5 g/cm³ at room temperature is mixed with a…

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Q: 10) How can you prepare 500 ml of 0.1M HCI, if the percentage is 35%, and density = 1.18g/ml,…

A: W = M x Mm x V/1000 Where, W = Mass in g; Mm = Molar mass; V = Volume in mL

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

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

Q: JWhen 27.3 g KCJ Is added to a solution containing 28.3 g of Pb2+, a precipitate forms. The…

A: Given data is as follows:   Mass of KCl = 27.3 g Mass of Pb2+ = 28.3 g The mass of PbCl2 obtained =…

Q: The density of 70.5 wt% aqueous perchloric acid is 1.67 g/mL. Note that grams refers to grams of…

A: a) The mass of solution in 1.000 L can  be calculated as, It is given that the density of solution =…

Q: The Normality of concentrated sulphuric acid is ---(when p% =96% , d = 1.84 g./ml) O 3.6 O 18.02…

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Q: A local water retention pond was found to have elevated levels of mercury concentrated as 14 ng per…

A: A mole is defined as the amount of substance containing the same number of discrete entities (atoms,…

Q: Calculate the molar concentration of H2S04 (98.0 g/mol) in a solution that has a specific gravity of…

A: 95 % (w/w) concentration of sulfuric acid states that the 100 g of solution contains 95 g of…

Q: Q2/A) A liquefied mixture 200 kg has the following composition by mass :- (C,H10 20% , CsH12 30% ,…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Calculate AH° for the process ½ N2(g) + ½ O2(g)→ NO(g) from the following information AH° = -192.3…

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Q: Which value is closest to the mass of Zno e produced when 50.0 g ZnS is heated in an open vessel…

A: Given :- mass of ZnS = 50.0 g  To calculate :- mass of ZnO (in g)  Molar mass of ZnS = 97 g/mol…

Q: Balance the eauations below: 11) P + _O2→ P205 12) Na + H20 > NaOH + _H2 13) Ag20 → Ag + O2

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Q: One of the challenges astronauts face is in space travel is the build-up 3. of carbon dioxide in…

A: The balanced chemical reaction can be written as, CO2(g) + 2LiOH(s)→Li2CO3 + H2O  Molar mass of CO2…

Q: Concentrated’’ sulfuric acid solution is 95% sulfuric acid by mass (and the remainder water) and has…

A:

Q: This

A: According to the question, a 235.2 g sample of ground water is analyzed for calcium. The Ca2+ in the…

Q: sity of California Da rce is strongly přen What mass, in g, of a solution containing 12% by mass…

A: Given Mass % of NaCl (w/W) = 12 %Mass of NaCl = 8 gMass of solution needed = To be determined

Q: 12 N2 (g) + !/2 0: (g) → NO (g) /2 N2 (g) + O2 (g) → NO2 (g) 2 NO: (g) →N;0, (g) AH = 90.4 kJ/mol AH…

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Q: Metallic titanium and its alloys (especially those with aluminum and vanadium) combine the…

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Q: A 290.3-g sample of ground water is analyzed for calcium. The Ca2+ in the sample is first…

A:

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: Consider a blend of mass 5g formed from 2.2 g of C12H24 and 2.8g of C998H1000 paraffin's:, What are…

A: Number average molar mass  Mathematical expression  Mn =∑Mii∑ini Weight Average molar mass…

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

A: The question is based on the concepts of solution. we have to calculate the mass percentage of each…

Q: .The indicator of Moher regent is KMN04. O KCr04. O

A: Answer of the question given below,

Q: You have 22.2 g of the compound C2Hx, where x is the maximum number of hydrogens that can fit around…

A: Maximum number of carbon atoms which can fit around a two carbon is six so formula of hydrocarbon is…

Q: A solution is prepared by diluting 0.7850L of 1.262M K2S solution with water to a final volume of…

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Q: Write the balanced equation for the reaction of aqueous Pb(ClO3)2Pb(ClO3)2 with aqueous NaI.NaI.…

A: Given information: Volume of Pb(ClO3)2 = 1.50 L Concentration of NaI = 0.250 M Volume of NaI = 0.100…

Q: 7. Given that the kf of water in a car radiator filled with liquid in the ratio of 62 g of ethylene…

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Q: Plain carbon steel might have a mass percentage of 0.3% carbon (C) by weight; the rest is iron (Fe).…

A: We have to predict the mole fraction of C in the steel.

Q: Concentrated’’ sulfuric acid solution is 95% sulfuric acid by mass (and the remainder water) and has…

A:

Q: Convert 750 ppb Al(III) to molar units

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Q: What is the Law of Conservation of Mass? Explain the Law using the action below: 2N2(g)+…

A: The ‘law of conservation of mass’ says that mass in an isolated system is neither created nor…

Q: A solution is prepared by dissolving NaBr in water. What is the mole fraction of NaBr in a solution…

A: Mole fraction of a substance= Number of moles of that substanceTotal number of moles

Q: A 244.5-g sample of ground water is analyzed for calcium. The Ca2+ in the sample is first…

A: