reshmabhandari05

Part A

Calculate the mass percent of a solution that is prepared by adding 57.0 g of NaOH to 211 g of H2O.

Express your answer numerically.

Part B

Calculate the mass percent of a NaCl solution in which 177 g of NaCl is dissolved in 3.91 L of water at 25 ∘C (density = 0.997 g/mL).

Express your answer numerically.

Part A

0.157 mol of sucrose in 642 mL of solution

Express your answer using three significant figures.

Part B

0.225 mol of KNO3 in 0.815 L of solution

Express your answer using three significant figures.

Part C

1.1 mol of KCl in 2.3 L of solution

Express your answer using two significant figures.

Calculate the molarity of each of the following solutions:
1- 1.4 mol of KCl in 2.6L of solution
2- 0.25 mol of KNO3 in 0.855L of solution
3- 0.157 mol of sucrose in 608 mL of solution

Calculate the molarity of each solution.

a. 0.38 mol of LiNO₃ in 6.14 L of solution

b. 72.8 g C₂H₆O in 2.34 L solution

c. 12.87 mg KI in 112.4 mL of solution