Science, asked by bhupenderkr81, 4 months ago

1. Formula unit mass of K2CO3 is--
138 u
148 u

136 u
142 u

Answers

Answered by Yashkurhade

1

Formula unit mass of K 2CO3

= 2×Atomic mass of K+1×Atomic mass of C+3×Atomic mass of O

= 2×39u+1×12u+3×16u

= 138 u.

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