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How many grams are to be weighed inorder...

How many grams are to be weighed inorder to represent 0.1 mole of each (a) sodium carbonate (b) copper sulphate penta hydrate (c ) sodium oxalate and (d) sodium hydroxide?

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The correct Answer is:
(a) 10.6g, (b) 25g, (c ) 13.4g and (d) 4g
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AAKASH SERIES-STOICHIOMETRY-EXERCISE -1.1.4
  1. Define mole and write its significance.

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  2. What is the difference between molecular mass and molar mass?

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  3. What is GMV? Write its value with suitable examples.

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  4. What is the volume ratio of equal masses of hydrogen,methane and oxyge...

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  5. How many grams of oxygen are present in a decimol of washing soda.

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  6. One atom of an element weigs 6.644xx10^(-26)kg.How many gram atoms are...

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  7. What is the density of chlorine relative to that of air?

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  8. How many moles are present in (a) 5.08g of sodium bicarbonate (b) 16.3...

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  9. How many grams are to be weighed inorder to represent 0.1 mole of each...

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  10. Report the volume at STP accupied by(a) 6.022xx10^(22) H(2)S molecules...

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  11. How many molecules are present in 2.34 moles of methane?

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  12. How many molecules are present in 5.6xx10^(-8)cc of Cl(2) at stP?

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  13. The approximate production of sodium carbonate per month is 424xx10^(6...

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  14. The price incurred in producing one kg of magnesium is Rs. 25. What is...

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  15. How many grams of alluminium will have the same number of atoms as one...

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  16. Calculate the number of electrons present in 1.8 mg of water.

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  17. How many molecules are present in one L oxygen?

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  18. How many liters of helium gas at NTP has weight same as 3.0115xx10^(23...

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  19. Calculate the real mass of one methane molecule

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