Question

Molar thacs of
( left.left.Aright|_{2} S_{0}, 1,1right} H_{2} 0 ) "L ( 474 g ) /mole
4749 of ( A 1 ) sulphate Gystals Contalus 3249 of water 3249
( therefore quad frac{324}{474} g ) of water
( 0.3339-2227 cdot 629 % ) water
No.of tholenses of ( operatorname{wat} bar{u}=left(frac{text { Mass }}{text { Moleculan male }}right) times N_{a} )
( =left(frac{22762}{18}right) times 6 cdot 023 times 10^{23} )
( =sqrt{76 cdot 15 times 10^{23}} mathrm{Mole} ) ules

# (2)39 (1) 189 The number of molecules of water in 333 g of Al, (SO), 18H Os 3) 18,0 (2) 9.0*6.02 - 104 (1) 18.0 * 6.02 * 10 10.(a) Which of the following is not a unit of pressure (2) Pascal (3) TOT

Solution