Question

75.0 grams NaBr
Find the molar mass and number of moles

Answer 1

Molar mass = 103.0 g/mol,

0.728 mol NaBr

Step-by-step explanation:

Molar mass M(NaBr) = M(Na) + M(Br) = 23.0 + 80.0 = 103.0 g/mol

75.0 g NaBr * 1 mol NaBr/103.0 g NaBr=0.728 mol NaBr