Problem: The freezing point of benzene is 5.5°C. The freezing point depression constant for benzene is Kf = 4.3°C m-1. How much of Naphthalene  (C10H8) must be dissolved in 500g of benzene, to lower the freezing point to 4.5°C? 1. 68.8g 2. 29.7g 3. 14.9g 4. 2.97g

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The freezing point of benzene is 5.5°C. The freezing point depression constant for benzene is Kf = 4.3°C m-1. How much of Naphthalene  (C10H8) must be dissolved in 500g of benzene, to lower the freezing point to 4.5°C?

1. 68.8g
2. 29.7g
3. 14.9g
4. 2.97g

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