The composition of a solution can be expressed in several different ways. Four o

Question

The composition of a solution can be expressed in several different ways. Four of the most common concentration units are defined as follows:. mass % = mass of component / total mass of solution times 100% mole fraction (X) = moles of component / total moles of solution molarity (M) = moles of solute / liters of solution molalitv (m) = moles of solute / mass of solvent (kg) A solution was prepared by dissolving 32.0 g of KCI in 225 g of water. Calculate the mass percent of KCI in the solution. Express your answer with the appropriate units. Calculate the mole fraction of KCI in the solution. Express the concentration numerically as a mole fraction in decimal form. Calculate the molarity of KCI in the solution if the total volume of the solution is 239 mL. Express your answer with the appropriate units. Calculate the molality of KCI in the solution. Express your answer with the appropriate units.

Explanation / Answer

What if your numbers are: A solution was prepared by dissolving 23.0g of KCl in 225 g of water.How do you find the mole fraction?

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