Question
What is the molarity of a solution containing 5. 035 grams of FeCl3 in enough water to make 500 ml of solution?
Answers
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To calculate the molarity of the solution, we need to know the number of moles of FeCl3 and the volume of the solution in liters.
Step 1: Calculate the number of moles of FeCl3.
molar mass of FeCl3 = 162.2 g/mol
moles of FeCl3 = mass / molar mass
moles of FeCl3 = 5.035 g / 162.2 g/mol
moles of FeCl3 = 0.031 moles
Step 2: Convert the volume to liters.
500 ml = 0.5 liters
Step 3: Calculate the molarity.
molarity = moles / volume (in liters)
molarity = 0.031 moles / 0.5 liters
molarity = 0.062 M
Therefore, the molarity of the solution containing 5.035 grams of FeCl3 in enough water to make 500 ml of solution is 0.062 M.
Step 1: Calculate the number of moles of FeCl3.
molar mass of FeCl3 = 162.2 g/mol
moles of FeCl3 = mass / molar mass
moles of FeCl3 = 5.035 g / 162.2 g/mol
moles of FeCl3 = 0.031 moles
Step 2: Convert the volume to liters.
500 ml = 0.5 liters
Step 3: Calculate the molarity.
molarity = moles / volume (in liters)
molarity = 0.031 moles / 0.5 liters
molarity = 0.062 M
Therefore, the molarity of the solution containing 5.035 grams of FeCl3 in enough water to make 500 ml of solution is 0.062 M.