| (i) 5 g mole of water |
| (ii) 10 moles of water |
| (iii) \[\text{6}\text{.023}\times {{10}^{23}}\] molecules of water |
| (iv) \[\text{6}\text{.023}\times \text{1}{{\text{0}}^{\text{24}}}\] molecules of water. |
A) (i) and (ii) only
B) (ii) and (iv) only
C) (ii) and (iii) only
D) All of these.
Correct Answer: B
Solution :
18 g of water = 1 mole of water \[=6.023\times {{10}^{23}}\] molecules of water 180 g of water = 10 moles of water \[=6.023\times {{10}^{24}}\]molecules of water
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