MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryMole _ Equivalent ConceptAtomic Theory
Zinc sulphate contains 22.65% Zn and 43.9% H2O. If the law of constant proportions is true, then the mass of zinc required to give 40g crystals will be :
A.90.6 g
B.9.06 g✓ Correct
C.0.906 g
D.906 g
Explanation
On 100 g crystal, 22.65 Zn g For 40 g of crystal, 22.65 40 9.06 100 Zn g x