chemical-aritmatic

Related Questions

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• The number of molecules in 16 g of methane is

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• If ${N_A}$is Avogadro’s number then number of valence electrons in 4.2 g of nitride ions $({N^{3 - }})$

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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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• The ratio of the molar amounts of ${H_2}S$ needed to precipitate the metal ions from $20mL$ each of $1M\;Cd{(N{O_3})_2}$ and $0.5M\;CuS{O_4}$ is

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