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100g of a mixture of NaOH and Na2SO4 is neutralised by 100ml of 0.5M H2SO4. What amount of Na2SO4 is present in the mixture. 100g of a mixture of NaOH and Na2SO4 is neutralised by 100ml of 0.5M H2SO4. What amount of Na2SO4 is present in the mixture.
Let moles of NaOH and Na2SO4 be x and y respectively.moles x v.f = constant.x * 1 + y*2 = 100*0.5 * 2x + 2y = 100..................(1)x = z/40 and y = (100-z)/142 ….............(2)put eqns. (2) in (1). and get the variable z solved. hence.
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