Correct Answer - D
(d) (ii) `("Mass of water")/("Molar mass of water")`
`=((360 g))/((18 g"mol"^(-1)))=20 ` mol
(iv) 18 g of water represent molecules
`=6.022xx10^(23)`
360 g of water represent molecules
`=((6.022xx10^(23)))/((18g)) xx(360g)`
`=6.022xx10^(23) xx20 =1.2044xx10^(25)`