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Calculate the total percentage of oxygen...

Calculate the total percentage of oxygen in magnesium nitrate crystals `Mg(NO_(3))_(2).6H_(2)O` (Atomic masses H = 1, N = 14, O = 16, Mg = 24)

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ICSE-MOLE CONCEPT AND STOICHIOMETRY-WORKSHEET-4
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  2. Calculate the mass of nitrogen in 1000 kg of urea, CO(NH(2))(2) (Answe...

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  3. Calculate the total percentage of oxygen in magnesium nitrate crystals...

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  4. Calculate the mass of nitrogen supplied to soil by 5 kg of urea [CO(NH...

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  5. Calculate the percentage of nitrogen in ammonium nitrate (NH(4)NO(3)) ...

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  6. Calculate the percentage of boron (B) in borax, Na(2)B(4)O(7). 10H(2)O...

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  7. Manganese forms nonstoichiometric oxides having the general formula Mn...

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  8. A compound is composed of 2.2% hydrogen, 26.6% carbon and 71.2% oxygen...

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  9. A compound is composed of 29.11% sodium, 40.51% sulphur and 30.38% oxy...

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  10. A compound is composed of 2.2% hydrogen, 26.6% carbon and 71.2% oxygen...

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  11. The empirical formula of the compound is C(2)H(5). It has a vapour den...

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  12. Calculate the empirical formula of the compound having 37.6% sodium 23...

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  13. A compound contains 87.5% nitrogen and 12.5% hydrogen by mass. Determi...

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  14. Determine the empirical formula of the compound whose composition by m...

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  15. A metal M forms a volatile chloride containing 65.5% chlorine. If the ...

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  16. Silicon (Si = 28) forms a compound with chlorine (Cl = 35.5) in which ...

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  17. A crystalline salt on being rendered anhydrous loses 45.6% of its mass...

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  18. A compound contains 4.07% hydrogen, 24.27% carbon and 71.65% chlorine....

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  19. 0.290 g of an organic compound containing C, H and O gave on combustio...

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  20. Calculate the percentage of platinum in ammonium chloroplatinate (NH(4...

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