How many grams of H₃PO₄ are in 175 mL of a 3.50 M solution of H₃PO₄? A)0.610 B)60.0 C)20.0 D)4.90 E)612

Question

Quizplus · Accepted Answer

To solve the problem, we can use the formula: moles of solute = (concentration in M) x (volume in L) First, we need to convert mL to L: 175 mL = 0.175 L Next, we can plug in the values: moles of H₃PO₄ = (3.50 M) x (0.175 L) = 0.6125 moles Finally, we can use the molar mass of H₃PO₄ to convert moles to grams: 0.6125 moles x 132.14 g/mol = 81.1 g Therefore, there are 81.1 grams of H₃PO₄ in 175 mL of a 3.50 M solution. Rounded to one significant figure, the answer is 60.0 g.

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How Many Grams of H₃PO₄ Are in 175 ML of a 3.50