Calculate the volume of concentrated (98% v.v) H2SO4 that you will need to prepare 250ml of an 5.4 M H2SO4 solution.                              Density of 98% v.v H2SO4 = 1.84 g/cm3

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: A 12.5 % by mass solution of ethanol (C2H5OH) in water has a density of 1.225 g/mL at 20°C. What is…

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Q: 8. A 250.0 mL aqueous solution contains 45.1 pg of a pesticide. Express the pesticide's…

A: we need to calculate the concentration of pesticide

Q: To what final volume should you dilute 50.0 mL of a5.00 M KI solution so that 25.0 mL of the diluted…

A: Molarity can be calculated by dividing number of moles by volume of the solution and number of moles…

Q: 10.) What is the amount in grams of H₂0₂ needed to make a 6kg, 3% by mass H₂02 solution?

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Q: The density of a solution that is 30.0 % H C l O3 is 1.167 g/mL. Calculate the molarity of the H C l…

A: Given –The given solution is 30% HClO3Density of this solution = 1.167 g/mLMolar mass of HClO3 =…

Q: A solution was made by dissolving 3.75 g of a solute in 108.7 g of acetone. The solution boiled at…

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Q: Calculate the number of ml of 3.5 M (NH4)2CO3 solution necessary to provide 12.5 g. of (NH4)2CO3? 2.…

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Q: 2. Čalculate the molality (m) of a 7.55 kg sample of a solution of the solute CH;C2 (molar mass =…

A: Answer-  We determined molality and molarity direct with formula given next..

Q: A solution is prepared with 70.0 g of HNO3 and 130.0 g of H₂O. It has a density of 1.21 g/ml. What…

A: As you have posted multiple questions so we are answering first question for you for remaining…

Q: How many grams of CuSO4.5H2O should be dissolved to make 500mL of 8 x 10-3M solution?

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Q: alculate the molarity of the solute in the following solutions containing a. 1.25 g MgNH4PO4 in 750.…

A: Molarity is defined as number of mole solute divide by volume of solution in liter

Q: What will be the percent composition by mass of a solution made by dissolving 28.4 grams of sodium…

A: Given mass of sodium acetate is 28.4 grams. Volume of water is given as 125 mL.  As the density of…

Q: What is the concentration in molarity of an aqueous solution which contains 1.15% by mass acetone…

A: 1.15 % by mass , 100 g solution contains 1.15 g actone Moles of Acetone =1.15/58.08       = 0.0198…

Q: What is the concentration in molarity of an aqueous solution which contains 2.57% by mass acetone…

A: 2.57% by mass means 100g of solution contains 2.57g of acetone.

Q: Concentrated HBr is 48% HBr by mass and has a density of 1.50 g/mL.How many grams of concentrated…

A: Given: Concentration of final solution = 1.50 M Volume of final solution = 750 mL = 0.750 L…

Q: What is the mole fraction of solute in a 3.77 m aqueous solution?

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Q: What is the mass percent of Na₂SO4 in a solution made by dissolving 16.0 g Na2SO4 in 232.0 g H₂O? %…

A: The mass of solute  = 16.0 gThe mass of solvent  = 232.0 gThe mass percent of  = ?

Q: 3. a. A solution contains 1.75 g of a non-volatile, non-clectrolyte solute dissolved in 23.47g…

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Q: Household bleach is an aqueous solution that contains 63.3 g of sodium hypochlorite, NaOCI, per 300…

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Q: What volume (in mL) of a 2.5 M NaOH solution is needed to prepare 500.0mL of a 0.10 M NaOH solution?…

A: As we know,Moles the solute remains same on dilution but volume of the solution increases.Dilution…

Q: Molarity! A solution is prepared by dissolving 20.0 g of Chloroform (CHCl3) in 60.0 gram of benzene…

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Q: Describe how to prepare each solution from the dry solute and the solvent.a. 125 mL of 0.100 M…

A: Solution is the mixture of two or more than two substance. Solution mainly has two constituent one…

Q: Calculate the molarity of the solute in the following solutions containing a. 7.70 g MgNH,PO4 in…

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Q: 7. Calculate the normality (N) of a 500 ml. solution containing 20 gms of NaOH (Mm 40 g/mole),

A: Molarity of the NaOH = ( mass of NaOH /molar mass of NaOH • volume of the Solution )  Molarity of…

Q: If 20.1408 g of KNO, (MM = 101.10 g/mol) is dissolved in 15.06 mL of water at 66.8°C (Density(H,O)…

A: Answer: Solubility of a compound in water at a particular temperature is the maximum amount of…

Q: mass (in g) of 95%-pure CuSO4. 4H20 to prepare 1 L of 0.5 M Cu2+ solution

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Q: 6. Acetone, C3H6, is the main ingredient of nail polish remover. A solution is made up by adding…

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Q: Nitric Acid is usually purchased in a concentrated form that is 70.3% HNO3 by mass and has a…

A: Calculation of no. of moles of HNO3 present in 1.15 L of 0.10 M solution.

Q: The density of 85% of H3PO4 by mass is 1.70 g/mL. How to prepare 2.5 L and 0.5 M diluted H3PO4…

A: Given: Density of H3PO4 = 1.70 g/mL Molecular weight of H3PO4 = 97.994 g/mol The concentrated H3PO4…

Q: The density of a concentrated phosphoric acid solution is 1.514 g/mL solution at 20°C. It contains…

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Q: 8) The molarity (M) of an aqueous solution containing 22.5 g of sucrose (C12H22011) in 35.5 mL of…

A: Since, Molarity is the number of moles of solute dissolve in one litre of the solution. Thus,

Q: 3. Determine the mass of glucose, CcH12O6 (s), needed to produce a 0.150 m glucose solution in 50.0…

A: Given: The molality of the glucose, C6H12O6 solution, (m)=0.15 m. The molar mass of glucose,…

Q: Determine the mass (g) of solute required to prepare 275 mL of a 0.5151 M KClO4 solution

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: Describe the preparation of 400 mL of 6 F H;PO4 from the commercial solution which is 85% (w/w)…

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

Q: The density of a solution that is 30.0 % H C l O3 is 1.167 g/mL. Calculate the molarity of the H C l…

A: Assuming we have 100 g of solution  Hence mass of HClO3 => 30 = mass of HClO3 X 100 / 100 =>…