Question

calculate molecular Mass of sodium carbonate (Na2Co3) and ethanol (C2H5OH).​

Answer 1

Answer:

Explanation:

Atomic Mass of Na = 23

Atomic Mass of C = 12

Atomic Mass of O = 16

Hence, Molecular Mass of Na2CO3 = 23 * 2 + 12 * 1 + 16 * 3 = 106.

Molecular Mass of C2H5OH = 12 * 2 + 1 * 6 + 16 * 1 = 46.

Answer 2

1. 106
2. 46

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