chemical-aritmatic

Related Questions

• How many ml of 1 (M) ${H_2}S{O_4}$ is required to neutralise 10 ml of 1 (M) $NaOH$ solution

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• A sample of calcium carbonate $(CaC{O_3})$ has the following percentage composition : Ca = 40%; C = 12%; O = 48% If the law of constant proportions is true, then the weight of calcium in 4 g of a sample of calcium carbonate obtained from another source will be

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• In the reaction $2N{a_2}{S_2}{O_3} + {I_2} \to N{a_2}{S_4}{O_6} + 2NaI$, the equivalent weight of $N{a_2}{S_2}{O_3}$(mol.wt.= M) is equal to

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• The numbers of moles of $BaC{O_3}$which contain 1.5 moles of oxygen atoms is

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• 5 ml of N HCl, 20 ml of $N/2\,\,{H_2}S{O_4}$ and 30 ml of $N/3\,\,HN{O_3}$ are mixed together and volume made to one litre. The normality of the resulting solution is

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