What Mass of Glycerol (C₃H₈O₃) Must Be Added TO₅ 00

question 142

Multiple Choice

What mass of glycerol (C₃H₈O₃) must be added tO₅ 00 grams of water to prevent it from freezing at - 20.0 ° C?
K_f(H₂O) = 1.86 ° C/ m . Molar Mass(C₃H₈O₃) = 92.09 g/mol

• A) 1.23 g C₃H₈O₃
• B) 17.1 g C₃H₈O₃
• C) 495 g C₃H₈O₃
• D) 1.98×10³ g C₃H₈O₃
• E) 6.95×10³ g C₃H₈O₃

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