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Which of the following should be done in...

Which of the following should be done in order to prepare 0.40 M NaCI starting with 100 ml of 0.30 M NaCI (Mol. Mass of NaCI = 58.5)?

A

add 5.85 g NaCl

B

add 20 ml of water

C

add 0.01 moles NaCl

D

evoperate 10 ml of water

Text Solution

Verified by Experts

The correct Answer is:
C
`V_(1)M_(1)=V_(2)M_(2)`
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NARAYNA-SOLUTIONS & COLLIGATIVE PROPERTIES -EXERCISE : 2 (H.W)
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  3. Which of the following should be done in order to prepare 0.40 M NaCI ...

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  4. 250 ml of a solution contains 6.3 grams of oxalic acid (mol.wt. = 126)...

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  7. If 100 ml of a solution contains 10 g of H(2)SO(4), normality of the s...

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  8. ml of 0.1 M H(2)SO(4) is required to neutralise 50 ml of 0.2 M NaOH so...

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  9. If 20 mL of 0.4 N NaOH solution completely neutralises 40 mL of a diba...

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  10. Choose the correct answer among the following is (i) Normality and...

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  13. A solution of glucose in water is labelled as 10% w/w. What would be t...

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  14. Calculate molality of 2.5g of ethanoic acid (CH(3)COOH) in 75 g of ben...

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  16. A gas mixture 44g of CO(2) and 14g of N(2), what will be fraction of C...

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  17. 138 g of ethyl alcohol is mixed with 72 g of water. The ratio of mole ...

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  18. Calculate the mole fraction of H(2)SO(4) in a solution containing 98% ...

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  19. A solution of sucrose in water is labelled as 20% w/w. What would be t...

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