Question

two marks
6)
calculate the number of molecules present in
2 .5 moles water​

Answer 1

Answer:

1.5 ×$10^{24}$  molecules of water

Explanation:

1 mole of water = 6.022 ×$10^{23}$ molecules of water

So, 2.5 moles of water = 2.5 * 6.022 ×$10^{23}$  molecules of water

                                      = 1.5 ×$10^{24}$  molecules of water