Homework SourseHow many grams of CaCO3 are in 50 mL of a 2M solution Use mL
How many grams of CaCO3 are in 50 mL of a 2M solution? Use mL x M = millimoles, then 1000 millimoles = 1 mole.
How many grams of CaCO3 are in 50 mL of a 2M solution? Use mL x M = millimoles, then 1000 millimoles = 1 mole.
Solution
Since its given, mL * M = 50 * 2 = 100 millimoles
Given that, 1000millimoles = 1 mole
100 millimoles = 0.1 mole
Molar Mass of CaCO3 = 100g
Now, number of moles = given mass / molar mass
0.1 = mass / 100
Mass of CaCO3 = 10g.
