What is the total number of moles of atoms in one mole of (nh4)2so4? 1. 10 2. 11 3. 14 4. 15
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Ответ:
8H
1S
4O
2+8+1+4=15
4. 15
Ответ:
clouds form
solid ice forms on leaves.
water droplets form on grass.