A certain wine contains 0.0100 M NaHSO₃ as a preservative. What mass of NaHSO₃ is in a 750 mL bottle of this wine? A) 0.39 g B) 0.70 g C) 0.78 g D) 1.5 g

Question

Quizplus · Accepted Answer

To find the mass of NaHSO₃, first calculate the number of moles: 0.0100 M × 0.750 L = 0.0075 moles. The molar mass of NaHSO₃ is approximately 104.06 g/mol. Therefore, the mass is 0.0075 moles × 104.06 g/mol = 0.78045 g, which rounds to 0.78 g.

A Certain Wine Contains 0