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What is the formula mass of anhydrous so...

What is the formula mass of anhydrous sodium carbonate ? (Given that the atomic masses of sodium, carbon and oxygen are 23 u, 12 u and 16 u respectively)

A

286 u

B

106 u

C

83 u

D

53 u

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Verified by Experts

The correct Answer is:
B

Formual mass of anhydrous Sodium Carbonate
`Na_(2)CO " is " 23 xx 2 +12 +16 xx =106`
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