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1 g of calcium was burnt in excess of O(...

`1 g` of calcium was burnt in excess of `O_(2)` and the oxide was dissolved in water to make up `1 L` solution. Calculate the normality of alkaline soluiton.

Text Solution

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`Ca + (1)/(2) O_(2) rarr CaO`
`40 g of Ca = 56 g of CaO`
`1 g of Ca = (56)/(40) = 1.4 g of CaO`
`N = (W_(2) xx 1000)/(Ew xx V_(sol) ("in" mL)) = (1.4 xx 1000)/((56)/(2) xx 1000) = 0.05 N`
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