chemical-aritmatic

Related Questions

• A compound (80 g) on analysis gave $C = 24 g$, $H = 4 g$, $O = 32 g$. Its empirical formula is

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• A compound contains atoms of three elements in $A$, $B$ and $C$. If the oxidation number of $A$ is +2, $B$ is +5 and that of $C$ is – 2, the possible formula of the compound is

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• After a chemical reaction, the total mass of reactants and products

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• 100 ml of 0.1 N hypo decolourised iodine by the addition of $x$ g of crystalline copper sulphate to excess of KI. The value of $‘x’$ is (molecular wt. of $CuS{O_4}.5{H_2}O$is 250)

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