What percent of NaCl is in the impure sample?

Q: .What volume of 0.2963 N H2SO, is required to prepare 250. 0 mL of 0.1000 N H2SO4?

A: Hey since you have posted multiple questions we will answer first question only . In case you want…

Q: A sample of hydrated nickel(II) chloride was heated to remove the waters of crystallization. The…

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Q: You use 500.0g of a solid to prepare a solution that has a concentration of 7.40% by mass. What is…

A: Given: Mass of solid solvent = 500.0 g. Concentration of solid in %(m/m) = 7.40 %

Q: How many grams of H2SO4 would be required to prepare 750.0 mL of 0.0900 N H2SO4?

A: Normality of solution = mass of soluteEquivalent mass of solute ×volume of solution(in L)  0.0900…

Q: 10. A water solution of sulfuric acid has a density of 1.67 g/mL and is 75 percent HSO by mass. How…

A: Given,Density of solution = 1.67 g/mLMass percent of sulfuric acid in the solution = 75 %Volume of…

Q: How many grams of solute are present in 19.0 mL of 0.746 M K2Cr2O7? If 13.6 g of (NH4)2SO4 is…

A: Given:Volume of solution = 19.0 mL Molarity =  0.746 M We need to calculate the mass of solute in…

Q: An impure sample of table salt that weighed 0.8571 g when dissolved in water and treated with excess…

A: Given: Mass of table salt sample = 0.8571 g. And mass of AgCl precipitates formed = 2.031 g. Molar…

Q: 3. A 1.20-gram sample of a hydrated salt is heated to a constant mass of 0.80 gram. What is the…

A: Introduction: The amount of water in a hydrated salt can be determined by drying the hydrated salt.…

Q: An impure sample of table salt that weighed 0.8421 g, when dissolved in water and treated with…

A: Given: Mass of AgCl = 2.044 g Mass of impure table salt (NaCl) = 0.8421 g Molar mass of AgCl =…

Q: A solution is prepared by dissolving 2.86 g KMnO4 in 75.0 mL of water. (Density H₂O = 1.00 g/mL).…

A: Mass percent is calculated using the mass of solute and total mass of solution .

Q: A solution is prepared by dissolving 0.6194 g oxalic acid (H2C2O4) in enough water to make 100.0 mL…

A: Molarity :  It is defined as the number of moles of solute present in one liter of solution.  M=…

Q: The molarity of a solution made by dissolving 2.45g of potassium chlorate(KCI03) in water to make…

A: Given: Mass of potassium chlorate= 2.45g Volume of the solution= 250 mL To find: The molarity of the…

Q: A water solution of sulfuric acid (H2SO4) has a density of 1.864 g/mL and is 73.0% H2SO4 by mass.…

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Q: A solution is prepared by dissolving 15.0 g of NH3 in 250.0 g of water. The density of the resulting…

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Q: An impure sample of table salt that weighed 0.8421 g when dissolved in water and treated with excess…

A: Sodium chloride reacts with silver nitrate to form silver chloride and sodium nitrate.

Q: If 4.84 L of a 0.925 M H3PO4 solution is diluted to a volume of 11.80 L, what is the concentration…

A: Dilution equation:                                                  M1V1 = M2V2 where, M1 = Initial…

Q: A student, adds 136.92 g of sucrose (FW = 342.31) to exactly 400.0 mL of dH20. The total solution…

A: given, mass of sucrose = 136.92 g molar mass of sucrose = 342.31 g mol-1 volume of water = 400.0 mL…

Q: Part C An impure sample of table salt that weighed 0.8571 g when dissolved in water and treated with…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: You are given a solid that is a mixture of Na2SO4 and K2SO4. A 0.205 gram sample of the mixture was…

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Q: A stock potassium dichromate solution is prepared by placing 8.50 g of the sample in a 150-mL…

A: Molarity = moles of solute ÷ volume of solution (l)

Q: What is the molarity of each solution? a. 41 g of KCl dissolved in enough water to give 375 mL of…

A: Given information: Mass of KCl = 41 g Molar mass of KCl = 74.5513 gmol-1 Volume of solution = 375 mL…

Q: An unknown amount of barium nitrate is dissolved in 120.0 g of water and 8.15 g of copper (II)…

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Q: Calculating the percent by mass concentration of a solution. 1. What is the percent by mass (m/m),…

A: given, mass of solute = 7.6 g mass of solvent = 83.4 g  % mass = ?

Q: How much Na2SO3 in grams, should be added to water to prepare a 541 mL of solution with a molarity…

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Q: Assuming complete reaction, how many moles of HCl(g) can be produced from 0.100 mol of Cl2(g)?

A: H2(g) + Cl2(g) ----> 2HCl(g)  given :- 0.100 mol Cl2(g)  To calculate :- number of moles of…

Q: A 0.200-g sample of SrC2O4 was used as a desiccant. Calculate the mass of the completely hydrated…

A: Strontium oxalate forms strontium oxalate monohydrate on hydration. One mole of strontium oxalate…

Q: A student dissolved 4.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took…

A: Given, 4.00g of Co(NO3)2 is dissolved in 100mL of water. The initial moles of Co(NO3)2 in the…

Q: What mass of solute is present in 1.08 L of 0.0578 M H2SO4?

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Q: What is the molarity of a solution that is made by dissolving 3.86 g of sucrose in sufficient water…

A: Molarity: The concentration for solutions is expressed in terms of molarity as follows,

Q: Consider this question: What mass of a concentrated solution of nitric acid (68.0% HNO3 by mass) is…

A: The relation between mass percentage of solute in a solution with two different masses of that…

Q: A 30.00 mL sample of an aqueous solution of HNO3 was titrated with 0.3621 M KOH. The HNO3 solution…

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Q: 9. What is the % (w/w) (mass percent) and molarity of a solution that is created from 20.72…

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Q: (a) How many grams of solute are present in 70.0 mL of 1.33 M CoSO4? (b) If 1.50 g of (NH4)2SO4 is…

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Q: What mass of LiCl is formed from mixing 0.144L of 0.212 molar BaCl2 with 1.22L of 0.0223 molar LiNO3…

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Q: A student dissolved 5.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took…

A: 5 grams of Co(NO3)2 is dissolved in 100 mL to make a stock solution. No. of moles = MassMolecular…

Q: Also what is the molarity of the solution described ?

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Q: (b) An unknown mass of Na3PO4(s) is dissolved in water to form 50.00 mL of solution. This is…

A: The number of moles of Na3PO4 in the 20.00 mL of the solution B is calculated as shown below.

Q: How many milliliters of 0.510 M NiCl2 contain 1.00 g of solute?

A: Molar mass of compound is 129.5994 g/mol. Number of moles can be calculated as follows:

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 student weighs out 0.213 g MgCl2·H2O (Mw = 131.235 g mol-1) of and 0.167 g of NaOH (Mw = 39.997 g…

A: Since, given molar mass of MgCl2·H2O is 131.235 g mol-1 . But it does not match with formula. Hence,…

Q: what is the percent yield?

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Q: Calculate the Molarity of the solution given the following information. 25g KCI dissolved into 250…

A: Molarity is defined as the number of moles of solute divided by volume of the solution in liters.…

Q: Consider the reaction of 30.0 mL of 0.235 M BaI₂ with 20.0 mL of 0.315 M Na₃PO₄. What quantity in…

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Q: mass of salicylic acid: 2.25g, volume of acetic anhydride: 4.03mL, the mass of filter paper and…

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Q: What mass of H2O (mm = 18.02 g/mol) is formed from mixing 24.5 mL of 1.32 molar LiOH with 10.2 mL of…

A: Given: Concentration of LiOH = 1.32 M Volume of LiOH solution = 24.5 mL = 0.0245 L…

Q: Several years ago a tank car load (70,000 litres) of concentrated nitric acid spilled in a Denver,…

A: Given data,Volume of solution=70,000L=70,000×103mLDensity of solution=1.42g/mLConcentration of…

Q: If 25.0 mL of 2.00 M H2SO4is diluted to a volume of 150.0 mL what is the final concentrationof the…

A: Given:- For H2SO4, Intial volume (V1) = 25.0 ml Intial concentration (M1) = 2.00 M Final Volume…

Q: 50.020 g sucrose were used to prepare 300.0 mL of solution (sp. gr. = 1.17). What is the % by mass…

A: Given, 50.020 g sucrose were used to prepare 300.0 mL of solution (sp. gr. = 1.17).

Q: ML b. Describe how you would prepare 1 L of a 50 mM solution of acetic acid. The gram formula weight…

A: There are different ways in which we can express  the concentration of the species

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.