chemical-aritmatic

Related Questions

• Two elements X and Y have atomic weights of 14 and 16. They form a series of compounds A, B, C, D and E in which the same amount of element X, Y is present in the ratio 1 : 2 : 3 : 4 : 5. If the compound A has 28 parts by weight of X and 16 parts by weight of Y, then the compound of C will have 28 parts weight of X and

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• The empirical formula of a compound is $C{H_2}O.$ 0.0835 moles of the compound contains 1.0 g of hydrogen. Molecular formula of the compound is

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

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• Given \[P = 0.0030m\], \[Q = 2.40m\], \[R = 3000m\], Significant figures in \[P,\,Q\] and \[R\] are respectively

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• When potassium permanganate is titrated against ferrous ammonium sulphate, the equivalent weight of potassium permanganate is

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