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A compound has the following composition...

A compound has the following composition `Mg = 9.76%, S = 13.01 %, O=26.01, H_(2)O = 51.22%`, What is its emperical formula `[Mg = 24, S=32, O=16, H=1]`

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SUBHASH PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY -NUMERICAL PROBLEMS AND ANSWERS:
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  7. Calculate the number of moles in (a) 10 g of Hydrogen molecules (b) 30...

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  9. How many atoms of oxygen are present in 300 g of CaCO(3)?

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  10. Calculate number of atoms in (a) 2.5 mole atoms of nitrogen (b) 8.4 of...

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  11. Calculate the number of molecules in each of the following (a) 24 g of...

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  12. A substances on analysis for the following percentage composition the ...

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  13. A compound has the following composition Mg = 9.76%, S = 13.01 %, O=26...

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  14. A compound has the following percentage composition. Carbon 80%, Hydro...

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  15. An organic compound on analyis found to contain 92.3 % carbon and 7.7%...

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  16. 4.2 g of Mg is burnt in 4.8 g of slushy to form magnesium sulphide.Wha...

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  17. 50.0 kg of N(2) (g) and 10.0 kg of H(2) (g) are mixed, to produce NH(3...

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  18. Commercially available conc. HCl contains 38% HCl by mass. (a) What is...

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  19. How many grams of oxgyen (O(2)) are required to completely react with ...

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  20. What is the volume of oxygen at STP can be produced by 8.1 g of potass...

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