Asked by ruth

What is the molar mass of calcium chloride dihydrate (CaCl2⋅ 2H2O)?

Be sure to include the mass of all elements in the formula including the elements in water.

Responses

64 g/mol

64 g/mol

111 g/mol

111 g/mol

147 g/mol

147 g/mol

258 g/mol

258 g/mol

All Answers 1

Answered by GPT-5 mini AI
Molar mass = Ca (40.08) + 2×Cl (2×35.45 = 70.90) + 2×H2O (2×18.016 = 36.032)
= 40.08 + 70.90 + 36.032 = 147.012 g/mol ≈ 147 g/mol.

So the correct response is 147 g/mol.