Chemistry, asked by rautgitanjali313, 17 days ago

what is the valency of these Molecules:SO2,NH3, CO2,CS2 and Al2O3.

Answers

Answered by priyasharma113344

2

Explanation:

1 SO2

s means sodium and 0 means oxygen

atomic mass of sodium is 23 and oxygen is 16

so 23×1+16×2 =23+32 =55u

2CO2

12×1+16×2=12+32 =44u

similar for 3,4

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