1 g-atom of Ca was burnt in excess of oxygen and the oxidewas dissolved in water to make up a one - liter solution. Calculate the normality of thealkaline solution.

1 g-atom of Ca was burnt in excess of oxygen and the oxidewas dissolve

1.	1 g-atom of Ca was burnt in excess of oxygen and the oxidewas dissolved in water to make up a one - liter solution. Calculate the normality of thealkaline solution.
Answer» Solution : FirstMethod `Ca + O_(2) CO overset(H_(2))to Ca (OH)_(2)` Ca atoms are CONSERVED `:.`applying POACfor Ca atoms, molesof Ca ATOMSIN reactant = moles of Ca in Ca `(OH)_(2)` `1 = 1 xx ` moles of `Ca(OH)_(2)` (`:.` MOLE of `Ca(OH)_(2)` contains1 mole of Ca) `:.`moles of `CaO=(OH)_(2)= 1 ` Sincethe solutionis madeup to 1 liter , molarityof `Ca(OH)_(20`= 1 M andnormalityof `Ca(OH)_(2) = 2 N` [ Note : In the above problems,therules applied have been referred to wherevernecessary just to MAKE everstep easy to follow. Itmay, thus, be expected that thestudentsmust now have beenwell acquainted with therulesandtheirapplication, and so in the following problemsrules have been rarely mentioned except where theyare at all required.]