Question

Calculate the formula unit mass of

1. Na2CO3
2. 10H2O
3. K2CO3

Answer 1

Answer:

1. 23 x 2 + 12 + 16 x 3 = 106 u

2. 2 + 16 = 18 u

3. 39 x 2 + 12 + 16 x 3 = 138 u

u stands for unified mass

Explanation:

Answer 2

Answer:

1.105.9888g/mol

2.28.01528

3.138