26.8 of Na2SO4 × xH2O gave 12.6 g of water on heating. The value of x in the compound is (M. mass of Na2SO4 = 142)
(A) 14 g atoms of nitrogen
(B) 0.6 moles of Sg
(C) 4 g equivalents of sulphate ions
(D) 1.2×1024 chloride ions.
26.8 of Na2SO4 × xH2O gave 12.6 g of water on heating. The value of x in the compound is (M. mass of Na2SO4 = 142)
(A) 14 g atoms of nitrogen
(B) 0.6 moles of Sg
(C) 4 g equivalents of sulphate ions
(D) 1.2×1024 chloride ions.