Which of the following correctly represents 360 g of water ?

i) 2 moles of ${\text{H}}_{\text{2}}\text{O}$

ii) 20 moles of water

iii) $\text{6}\text{.022}\times {\text{10}}^{23}$ molecules of water

iv) $1.2044\times {10}^{25}$  molecules of water