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One atom of an element weigs 6.644xx10^(...

One atom of an element weigs `6.644xx10^(-26)`kg.How many gram atoms are present in 40kg of the element ?

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1000
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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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