Question

molecular mass of caco3


molecular mass of Na2So4​

Answer 1

Answer:

100.086 g

Explanation:

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Answer 2

CaCO3

atomic mass of Ca x 1+atomic mass of C x 1+ atomic mass of O x 3

40u x 1 + 12u x 1 + 16u x 3

40u + 12u + 48u

100u

Na2SO4

23u x 2 + 32u x 1 + 16 x 4

46u + 32u + 64u

142u

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