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A compound H2X with molar weight of 80 g...

A compound `H_2X` with molar weight of 80 g is dissolved in a solvent having density of `0.4 g ml^(-1)` Assuming no change in volume upon sdissolution, the molality of a 3.2 molar solution is

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PATHFINDER-MOLE AND STOICHIOMETRY-I-QUESTION BANK
  1. Number of molecules in 1 litre of water is close to

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  2. The percentage of N2 in urea is about

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  3. The V.D of a gas is 11.2 . The volume occupied by one gram of the gas ...

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  4. For 14 g of CO the wrong statement is

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  5. The weight of 112 mL of oxygen at NTP is

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  6. The oxygen obtained from 72 kg of water is

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  7. One mole of CH4 contains

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  8. The total number of electrons in 18 mL of water (density = 1 g . mL^(-...

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  9. The equivalent mass of a certain bivalent metal is 20 . The molecular ...

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  10. A compound has the molecular formula X4O6 If 10 g of X4O6 has 5.72 g X...

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  11. 5 moles of Ba(OH)2 are treated with excess of CO2 How much BaCO3will b...

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  12. A metal oxide has the formula A2O3 It can be reduced by hydrogen to gi...

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  13. How many moles of magnesium phosphate, Mg3(PO4)2 will contain 0.25 mol...

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  14. The number of sodium atom in 2 moles of sodium ferrocyanide is

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  15. Arrange the following in order of increasing mass (atomic mass, O = 16...

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  16. 20.0 kg of N2 (g) and 3.0 kg of H2(g) are mixed to produce NH3(g) form...

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  17. Stoichiometric ratio of sodium dihydrogen orthophosphate and sodium hy...

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  18. Which of the following sets of compounds correctly illustrate the law ...

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  19. If the value of Avogadro number is 6.023 xx 10^23 mol^(-1) and the val...

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  20. A compound H2X with molar weight of 80 g is dissolved in a solvent hav...

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