How many grams of Na₂SO₄ are required to make 43.5 mL of a 13.7% (m/v) aqueous solution?

Question

Quizplus · Accepted Answer

To calculate the grams of Na₂SO₄ needed, we use the formula: mass (g) = volume (mL) x concentration (m/v) First, we need to convert the volume from mL to L: 43.5 mL = 0.0435 L Next, we plug in the values we have: mass (g) = 0.0435 L x 0.137 g/mL mass (g) = 0.00596 g Therefore, we need 0.00596 g or 5.96 g of Na₂SO₄ for a 13.7% (m/v) aqueous solution in a volume of 43.5 mL. The closest answer is B, 5.96 g.

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