Chemistry, asked by jayant6680, 2 days ago

c) Hydrated Sodium Carbonate [Na2CO3.10H2O] Na=23,C=12,H=1,O=16
find the Relative molecular mass​

Answers

Answered by ak8889029949
0

Answer:

286

Explanation:

Formula unit mass of Na2CO 3

= 2×atomic mass of Na+1×atomic mass ofC+3×atomic mass of O

=2×22.98+1×12.01+3×16

=105.97u

Formula unit mass of 10H

2

O=10×atomic mass of H

2

O

=10×18.02

=180.02u

Formula unit mass of Na2CO3

.10H

2

O=105.97+180.02

=285.99u

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