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PATHFINDER-MOLE AND STOICHIOMETRY-I-QUESTION BANK
- Which of the following has the smallest number of molecules ?
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- The mass of 1 mole of electrons is
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- 2 g of O-2 at 0^@C and 760 mm of Hg pressure has volume
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- The numerical value of N/n (where, N is the number of molecules in a g...
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- Number of atoms of oxygen presenting in 10.6 g of Na2CO3 will be
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- Which has minimum number of atoms ?
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- How many H-atoms are present in 0.046 g of ethanol ?
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- Caffeine contains 28.9% nitrogen. If molecular weight of caffeine is 1...
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- 74.5 g of a metallic chloride contains 35.5 g of chlorine, the equival...
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- A gas is found to have a formula[CO]x.Its vapour density is 70, the x ...
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- The equivalent weight of a solid element is found to be 9. If the spec...
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- The formula of an acid is HXO2 The mass of 0.0242 moles of the acid is...
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- Each molecule of a gas, contains 2 hydrogen atoms, 1.78 xx 10^(-22) g ...
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- A sample of pure calcium weighing 1.35 g was quantitatively converted ...
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- 100 ml urea solution contains 6 xx 10^20 molecules of urea. What is th...
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- The vapour density of a mixture containing NO2 and N2O4 is 27.6. The m...
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- The mole fraction of glucose (C6H12O6) in aqueous solution is 0.2, the...
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- 480 mL of 1.5 M HCl was mixed with 520 Ml of 1.2 M HCl. What is the mo...
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- Which option is correct ? If the temperature of an aqueous solution ...
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- A given sample of pure compound contains 9.81 gm of Zn, 1.8 xx 10^23 a...
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