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Which of the following is not true for 0...

Which of the following is not true for 0.1 M `Na_(2)CO_(3)`.

A

`Na^(o+)=0.2M`

B

`CO^(2-)=0.1M`

C

`CO_(3)^(2-)=0.05M`

D

All

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The correct Answer is:
C
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CENGAGE CHEMISTRY-EQUIVALENT MASS -MANDATORY EXERCISE Exercise Set III
  1. 10 cm^(3) of 0.1 N monobasic acid requires 15 cm^(3) of sodium hydroge...

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  2. What is the molarity of pure water?

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  3. The volume of water to be added to 100 cm^(3) of 0.5 N H(2)SO(4) to ge...

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  4. The molarity of the solution obtained by dissolving 2.5 g of NaCl in 1...

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  5. How many grams of dibasic acid (mol. Wt 200) should be present in 100 ...

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  6. Which of the following is not true for 0.1 M Na(2)CO(3).

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  7. 480 ml of 1.5 M and 520 ml of 1.2 M solution of same substance mixed t...

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  8. Molarity of 0.2 N H(2)BO(3) is

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  9. One molar solution means 1 mole of solute present in

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  10. The volume of water to be added to 100 ml of N/(2)HCl to prepare 500 c...

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  11. 6.022xx10^(20) molecules of glucose are present in 100 ml of the solut...

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  12. The normality of mixture obtained by mixing 100 ml of 0.2 M H(2)SO(4)+...

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  13. The unit of molarity is

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  14. 1 L of NaOH solution contains 8 g if NaOH. The approximate concentrati...

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  15. A solution of oxalix acid (COOH)(2)*2H(2)O is prepared by dissolving 0...

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  16. Commercially available concentrated hydrochloric acid conatins 38% HCl...

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  17. Commercially available concentrated hydrochloric acid conatins 38% HCl...

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  18. 20 cm^(3) of 1 N HCl and 30 cm^(3) of 0.5 N HCl are mmixed together. W...

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  19. Concentrated aqueous H(2)SO(4) is 98% H(2)SO(4) by mass and has densit...

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  20. Match the following:

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