Final answer:
To determine the number of grams of calcium chloride (CaCl₂) needed to make a 0.339 M solution, you need to consider the molar mass of CaCl₂ and the volume of water.
Step-by-step explanation:
To determine the number of grams of calcium chloride (CaCl₂) needed to make a 0.339 M solution, you need to consider the molar mass of CaCl₂ and the volume of water. Here are the steps:
- Find the number of moles of CaCl₂ in the solution using the molarity and volume:
moles of CaCl₂ = molarity × volume - Convert moles of CaCl₂ to grams using the molar mass of CaCl₂:
grams of CaCl₂ = moles of CaCl₂ × molar mass of CaCl₂
Remember to convert the volume of water to liters if necessary and use the correct units in your calculations.