If a student needs to make a 0.10 M solution of NaHCO₃, how many milliliters of solution can be made using a 0.35-g sample of NaHCO₃?

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Quizplus · Accepted Answer

To find the volume of solution, use the formula: Molarity (M) = moles of solute / liters of solution. First, calculate moles of NaHCO₃: 0.35 g / 84.01 g/mol = 0.004166 moles. Then, use the molarity equation: 0.10 M = 0.004166 moles / liters. Solving for liters gives 0.04166 L, which is 41.66 mL, approximately 42 mL.

If a Student Needs to Make a 0