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What is the sum of 5.228 kg and 1.02 kg ...

What is the sum of 5.228 kg and 1.02 kg ? Express the result to the appropriate significant figures .

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6.25 kg
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AAKASH INSTITUTE-SOME BASIC CONCEPT OF CHEMISTRY-TRY YOURSELF
  1. Express the following number to two significant figures (i) 5.602792...

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  2. Express the following numbers to three significant figures. (i) 6.02...

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  3. What is the sum of 5.228 kg and 1.02 kg ? Express the result to the ap...

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  4. Perform the following calculations to the appropriate number of signfi...

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  5. when 8.4 g of NaHCO(3) is added to a:solution of CH(3)COOH Weighing 20...

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  6. If 12.6 g of NaHCO(3) are added to 30.0 g of CH(3)COOH solution, the r...

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  7. 2,75 g of cupric oxide was reduced by heating in a current of hydrogen...

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  8. 12.976 g of lead combines with 2.004 g of oxygen to form PbO(2). PbO(2...

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  9. On analysis it was found that the black oxide of copper and red oxide ...

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  10. Sulphur and oxygen are known to form two compounds. The sulphur conten...

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  11. Boron has two isotopes, B-10 and B-11. The average atomic mass of boro...

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  12. Carbon found nature as a mixture of C-12 and C-13. The average atomic ...

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  13. What will be the weight of CO having the same number of oxygen atoms a...

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  14. What is the molecular mass of substance, each molecule of which contai...

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  15. How many molecules of O(2) are present in 1 L air containing 80% volum...

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  16. Calculate the volume occupied by (i) 28 u nitrogen gas (ii) 28 g N(2) ...

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  17. Calculate percentage of sulphur in sulphuric acid (H(2)SO(4)).

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  18. Calculate percentage of carbon in ethanol (C(2)H(5)OH).

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  19. A substance on analysis, gave the following percentage composition : N...

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  20. An organic compound on analysis gave the following data : C = 57.82%, ...

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