Chemistry, asked by shikhashri88, 5 months ago

. Find molecular weight of sodium carbonate [ Na2Co3. 10H2O]

Answers

Answered by junmonigogogoi555

2

Answer:

Formula unit mass of Na2CO3

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

=2×22.98+1×12.01+3×16

=105.97u

Formula unit mass of 10H2O=10×atomic mass of H2O

=10×18.02

=180.02u

Formula unit mass of Na2CO3.10H2O=105.97+180.02

=285.99u

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