A solution is made by mixing 88. g of chloroform (CHC13) and 141. g of heptane (C, H16). Calculate the mole fraction of chloroform in this solution. Be sure your answer has the correct number of significant digits.

Charles's law describes the relationship of the volume and temperature of gas at a constant mass and pressure. according to this law, what would happen to the temperature of the gas if its volume decreased from 1.0 l to 0.50 l?