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What is the mass of one molecule of wate...

What is the mass of one molecule of water in grams?

A

`3 xx 10^(-23) g`

B

18g

C

`1.5 xx 10^(-23) g`

D

`4.5 xx 10^(-23) g`

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The correct Answer is:
A
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AAKASH INSTITUTE-SOME BASIC CONCEPT OF CHEMISTRY-EXERCISE
  1. Mass of 1 amu in g

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  2. One 'u' stands for the mass of

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  3. What is the mass of one molecule of water in grams?

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  4. 74.5 g of a metallic chloride contain 35.5 g of chlorine. The equivale...

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  5. Two elements X and Y (atomic mass of X=75 and Y=16 ) combine to give a...

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  6. Equivalent weight of crystalline oxalic acid is

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  7. Find out the equivalent weight of H(3) PO(4)in the reaction: Ca(OH)(...

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  8. Equivalent mass of a metal is 12 g "mol"^(-1). Hence, equivalent ma...

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  9. The percentage of nitrogen in HNO(3) is

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  10. What is the ratio of empirical formula mass to molecular formula mass ...

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  11. The compound in which mass percentage of carbon is 75% and that of hyd...

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  12. Identify the molecule having empirical formula CH(2)O

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  13. 4 g of a metal oxide contains 1.6 g-oxygen, then equivalent mass of th...

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  14. 8 gm H(2) and 32 gm O(2) is allowed to recant to form water then whic...

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  15. Equal volume of N(2) and H(2) react to form ammonia under suitable con...

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  16. How many grams of calcium oxide is obtained on heating 100 g of CaCO(3...

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  17. The volume of O(2) at STP required for the complete combustion of 4 g ...

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  18. 0.9 g Al reacts with dil. HCl to give H(2). The volume of H(2) evolve...

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  19. Which of the following statement is correct?

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  20. Calcium carbonate decomposes on heating according to the following equ...

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