Problem 1.6: Calculate the molar mass of CaCO using the

From Chapter 1 Problem Set. Level 2: Applied Thinking.

Question

Calculate the molar mass of CaCO₃ using the periodic table. How many moles are in 50 grams?

Answer

Show answer

Ca: 40.08 g/mol, C: 12.01 g/mol, O: 16.00 g/mol. (40.08)+(12.01)+ (3×16.00) = 100.09 g/mol. 50 g ÷ 100.09 g/mol = 0.50 mol.