Question

In: Chemistry

A student makes a solution in the laboratory by dissolving 53.5 g of NH4Cl in enough...

A student makes a solution in the laboratory by dissolving 53.5 g of NH₄Cl in enough water to make 375 mL of solution, with a density of 1.05 g/mL

a. Calculate the Molarity of the solution
b. Calculate the % mass of the NH₄Cl in the solution.
c. Calculate the mole fraction of NH₄Cl in the solution
d. Calculate the molality of NH₄Cl in the solution

**Please show all work

Expert Solution

a.

b.

c.

d.

queen_honey_blossom answered 7 months ago

calculate the concentration of a solution prepared by dissolving 35.0 g of aluminum carbonate in enough...

calculate the concentration of a solution prepared by dissolving 35.0 g of aluminum carbonate in enough water to prepare 500.0 mL of solution

A solution is prepared by dissolving 17.0 g of KOH in enough water to make 80.0...

A solution is prepared by dissolving 17.0 g of KOH in enough water to make 80.0 mL of solution. What is the molarity of this solution?

Find the pH of a solution made by dissolving 0.195 g of phenol (C6H5OH) in enough...

Find the pH of a solution made by dissolving 0.195 g of phenol (C6H5OH) in enough water to make 125 mL of solution.

A solution is prepared by dissolving MgCl2 (1.3 g/L) and NH4Cl (20.0 mg/L) into deionized water....

A solution is prepared by dissolving MgCl2 (1.3 g/L) and NH4Cl (20.0 mg/L) into deionized water. The pH of the solution is adjusted to 8.85 using NaOH. What is the concentration of ammonia, NH3(aq), in this solution? The pKa of NH4+ is 9.24.

a. Calculate the pH of a buffer that is prepared by completely dissolving 0.0401 g of NH4Cl in exactly 25.0 ml of a 0.020 Molar aqueous NH3 solution.

a. Calculate the pH of a buffer that is prepared by completely dissolving 0.0401 g of NH4Cl in exactly 25.0 ml of a 0.020 Molar aqueous NH3 solution.b. What is the pH after 5.0 mL of 0.020 M NaOH solution is added to 0.020 L of this buffer?

a solution is formed at room temperature by vigorously dissolving enough of the solid solute so...

a solution is formed at room temperature by vigorously dissolving enough of the solid solute so that some soild remians at the bottom of the solution. which statement below is true ? A. The solution is considered saturated B. The solution would be considered unsaturated if it were cooled a bit to increase the solubility of the solid C. The solution is considered unsaturated D. The solution is considered supersaturated E. None of the above are true

14. A solution is prepared by dissolving 49.3g of KBr in enough water to form 473mL...

14. A solution is prepared by dissolving 49.3g of KBr in enough water to form 473mL of solution. Calculate the mass percent of KBr in the solution if thedensity is 1.12 g/mL. a. 10.4% b. 8.57% c. 10.1% d. 11.7% e. 9.31%

A solution is prepared by dissolving 171g of CdCl2 in enough water to make 250.0 mL...

A solution is prepared by dissolving 171g of CdCl2 in enough water to make 250.0 mL of solution. If the density of the solution is 1.556 g/mL, calculate: Molarity of the solution, mole fraction of CdCl2, and molality of the solution.

A buffer solution is made by dissolving .17g of ammonia and 1.07g ammonium chloride in enough...

A buffer solution is made by dissolving .17g of ammonia and 1.07g ammonium chloride in enough water to make 250mL of solution Detemine molarity of ammonium chloride Detemine ammonium concentration Determin solution molarity relative to ammonia Determine solution pH

A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The...

A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting solution is The mole fraction of Cl- in this solution is __________ M.