What mass of solute is contained in 27.9 mL of a 1.56 M potassium bromide solution?
A) 17.9
B) 5.18
C) 43.5
D) 2.73
E) none of these

Question

Quizplus · Accepted Answer

To find the mass of solute, use the formula: mass = molarity × volume (L) × molar mass. Convert 27.9 mL to liters (0.0279 L), then multiply by the molarity (1.56 mol/L) and the molar mass of KBr (119.0 g/mol) to get approximately 5.18 g.

What Mass of Solute Is Contained in 27