Calculate the number of grams of unknown solute (MW = 56.105 g/mol)in 250.0 mL of a 0.169 M solution. A)2.37 B)83.0 C)0.753 D)2.37 × 10³ E)7.53 × 10^-4

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Quizplus · Accepted Answer

To find the mass of the solute, use the formula: mass = molarity × volume × molar mass. Convert 250.0 mL to liters (0.250 L), then multiply by the molarity (0.169 M) and the molar mass (56.105 g/mol). This gives 0.250 L × 0.169 mol/L × 56.105 g/mol = 2.37 g.

Calculate the Number of Grams of Unknown Solute (MW =