chemical-aritmatic

Related Questions

• n g of substance X reacts with m g of substance Y to form p g of substance R and q g of substance S. This reaction can be represented as, $X + Y = R + S$. The relation which can be established in the amounts of the reactants and the products will be

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• Vapour density of a gas is 22. What is its molecular mass

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• $KMn{O_4}$ reacts with ferrous ammonium sulphate according to the equation $MnO_4^ - + 5F{e^{2 + }} + 8{H^ + } \to M{n^{2 + }} + 5F{e^{3 + }} + 4{H_2}O$, here 10 ml of 0.1 M $KMn{O_4}$ is equivalent to

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• How much water should be added to 200 c.c of semi normal solution of $NaOH$to make it exactly deci normal

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• 250 ml of a sodium carbonate solution contains 2.65 grams of $N{a_2}C{O_3}$. If 10 ml of this solution is diluted to one litre, what is the concentration of the resultant solution (mol. wt. of $N{a_2}C{O_3}$=106)

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