Question

Calculate the total number atoms in the given samples.
1. 6 ZnO
2. Na2O
3. 3 K2CO3
4. NaHCO3
5. 2 HNO3
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Answer 1

Answer:

1) 6+6=12

2) 2+1=3

3) 3*2+3*1+3*3= 18

4) 1+1+1+3=6

5) 2*1+2*1+2*3= 10

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