Question

. What is the molar mass of Li2O?

29.9 g/mol

38.9 g/mol

46.0 g/mol

59.0 g/mol

Answer 1

M(Li2O) = 2M(Li) +M(O)= 2*6.9 +16.0 = 29.8 g/moi

Answer A. 29.9 g/mol