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The molarity of a urea solution in which...

The molarity of a urea solution in which 0.01 g of urea `(NH_(2)CONH_(2))` is added to 0.3 `dm^(3)` od water at STP is

A

0.555 M

B

`5.5xx10^(-4)` M

C

33.3 M

D

`3.33xx10^(-2)` M

Text Solution

Verified by Experts

The correct Answer is:
B
`M=(0.01xx1000)/(60xx300)=5.5xx10^(-4)`
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CENGAGE CHEMISTRY-EQUIVALENT MASS -MANDATORY EXERCISE Exercise Set III
  1. Calculate molarity of 1.8% (w/w) solution of glucose.

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  2. Dissolving 120 g or urea (mol. Wt 60) in 1000 g of water gave a soluti...

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  3. The molarity of a urea solution in which 0.01 g of urea (NH(2)CONH(2))...

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  4. How many grams of sulphuric acid is to be dissolved to prepare 200 ml ...

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  5. What si the molarity of 0.2 N Na(2)CO(3) solution?

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  6. Calculate the mnormality of 250 ml aqueous solution of H(2)SO(4) havin...

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  7. What si the total number of moles of H(2)SO(4) needed to prepare 5.0 L...

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  8. 10 cm^(3) of 0.1 N monobasic acid requires 15 cm^(3) of sodium hydroge...

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  9. What is the molarity of pure water?

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

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

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

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  14. 480 ml of 1.5 M and 520 ml of 1.2 M solution of same substance mixed t...

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

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

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

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  18. 6.022xx10^(20) molecules of glucose are present in 100 ml of the solut...

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

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  20. The unit of molarity is

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