Question

what is the molar mass of calcium? 24.022 g/mol 12.011 g/mol 40.078 g/mol 63.546 g/mol

Explanation:

Step1: Recall molar mass concept

Molar mass of an element is its atomic mass in g/mol.

Step2: Look up calcium's atomic mass

Calcium (Ca) has an atomic mass of approximately 40.078 (from periodic table data).

Answer:

40.078 g/mol