Answer to Question #266324 in Chemistry for Lily

Question

250. 0 mL of 1.00 M NaOH solution has a density of 1.90 g/mL. Calculate the concentration of this solution in molality.

An ideal solution contains 92. 1 g of glycerin, C3H5(OH)3, and 184.4 g of ethanol, C2H5OH, at 40 oC. The vapor pressure of pure ethanol is 0.178 atm at 40 oC. What is the molality of the solution? What is the vapor pressure of a solution?

Two moles of aluminum was heated from 45 oC to 93 oC. Calculate the amount of heat absorbed by aluminum. Specific heat of Al= 0.90 J/g-K

Answer 1

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