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A student has 100mL of 0.1 M KCl solutio...

A student has 100mL of 0.1 M KCl solution. To make it 0.2 M, he has to

A

evaporate 50 mL of the solution

B

add 0.01 mole of KCl

C

both (a) and (b) can be used

D

neither (a) nor (b) can be used

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-SOLUTIONS -Objective Exercise -1
  1. To halve the molarity of a solution the following should be adopted

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  2. Molarity of the liquid HCl if density of the solution is 1.17 g/cc is

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  3. A student has 100mL of 0.1 M KCl solution. To make it 0.2 M, he has to

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  4. Density of 2.05M solution of acetic acid in water is 1.02 g/mL, the mo...

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  5. The volume of decamolar aquous solutions of hydrochloric acid is requi...

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  6. The units of Normality are

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  7. The following is not a fixed quantity

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  8. In the reaction 2NaOH+H3PO4 to Na2HPO4 + 2H2O, the Equivalent weight o...

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  9. 5 ml of 1N HCl, 20 ml of N/2 H2SO4 and 30 ml of N/3 HNO3 are mixed tog...

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  10. The volumes of 4N HCl and 10N HCl required to make 1L of 6 N HCl are

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  11. Which of the following acid has the same molecular weight and equivale...

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  12. M' is the molecular weight of KMnO4 The equivalent weight of KMnO4 whe...

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  13. Molecular weight of KMnO4 is "M". In a reaction KMnO4 is reduced to K2...

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  14. The equivalent weight of Hypo in the reaction Na2S2O3 + Cl2 + H2O to N...

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  15. Molecular weight of Mohr's salt is 392. Its equivalent weight when it ...

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  16. The equivalent weight of CH4 in the reaction CH4+2O2 to CO2 + 2H2O is ...

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  17. The equivalent weight of CuSO4 when it is converted to Cu2I2 [M = mol....

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  18. The number of millimoles of H2SO4 present in 5 litres of 0.2N H2SO4 so...

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  19. The units of molality are

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  20. The correct relationship between molarity (M) and molality (m) is (d =...

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