How many grams of FeSO₄ are present in a 20.0 mL sample of a 0.500 M solution? A)65.8 g B)6.08 g C)3.04 g D)1.52 g E)0.760 g

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Quizplus · Accepted Answer

To find the grams of FeSO₄, first calculate the moles of FeSO₄ using the formula: moles = molarity × volume (in liters). For a 0.500 M solution and 20.0 mL (0.020 L), moles = 0.500 × 0.020 = 0.010 moles. The molar mass of FeSO₄ is approximately 151.9 g/mol. Therefore, grams = moles × molar mass = 0.010 × 151.9 = 1.519 g, which rounds to 1.52 g.

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How Many Grams of FeSO₄ Are Present in a 20