Question

calculate the relative molecular mass of- Na2SO4​

Answer 1

Answer:

he atomic mass for Na is 23.

The atomic mass for S is 32.

The atomic mass for O is 16.

Therefore, the molecular mass for Na2SO4 is  (23×2)+32+(16×4)=142

Explanation:

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Answer 2

Explanation:

Molecular mass of Na2SO4

1) sure.

2) 2*23+4*10.811+7*16*180 = 381.37.

3) it is an approx. answer as mass of boron is in decimal so.

4) thank you so much.

5) my pleasure :)

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