Chemistry, asked by meenakshikanwar341, 9 months ago

Calculate the mass of ZnO ,Na2O ,K2CO3. (Given atomic mass of Zn=65u Na=23u K=39u C=12u =16u

Answers

Answered by oliverugochukwu90

2

Answer:

1. ZnO=81g. 2. Na2O=62g. 3. K2CO3=138g.

Explanation:

ZnO =65+16=81g.

Na2O=23×2+16×1

=46+16

=62g.

K2CO3=39×2+12×1+16×3

=78+12+48

=138g.

Answered by Shubham78623

3

Answer:

ZnO=65u+16u=81u

Na2O=23u×2+16u=46u+16u=62u

K2CO3=39u×2+12u+16u×3=78u+12u+48u=138u

Explanation:

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