A Mixture of Solid NaCl and CaCl₂ Contains 10

question 97

Multiple Choice

A mixture of solid NaCl and CaCl₂ contains 10.0 g of NaCl, and an unknown amount of CaCl₂. When the entire mixture is dissolved in 1.00 kg of water, the boiling point changes by 0.25 C. What mass of CaCl₂ was in the original mixture? K_b for water is 0.512 K^. kg ^. mol^-1.

• A) 5.4 g
• B) 8.1 g
• C) 35.2 g
• D) Not enough data to answer the question
• E) None of the above

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