plzzzzzzzz. ans all of them
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1. one mole
2. one mole
3. 6.02214076 × 10 power23
4. 6.022×10 power23
5. 6.022 × 10power23/mole
6. Avogadro's number
7. Molecular weight of oxygen in grams = 32 g of oxygen= one mole of oxygen gas
Thus, 12 g of oxygen= 1/32 ×12=0.375 moles
8. 0.2 moles
9. 3.2 g
10. 28g
11. i. 6.022×10power23
ii. avogadro
iii. 5
iv. 20g
v. 4
its the answer....
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