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How many grams of Na(2) S(2) O(3) are ne...

How many grams of `Na_(2) S_(2) O_(3)` are needed to prepare five litres of an 8% solution ( by mass ) having density = 1.075 g / mL ?

A

43.0 g

B

430 g

C

400 g

D

40 g

Text Solution

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The correct Answer is:
b
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 24-Paper 1 (Physics and Chemistry)
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  2. The laboratory method for the preparation of H(2)O(2) is by

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  3. How many grams of Na(2) S(2) O(3) are needed to prepare five litres of...

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  4. The van't Hoff factor for a dilute solution of K(3)[Fe(CN)(6)] is like...

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  5. An aqueous solution of glucose was prepared by dissolving 18g of gluco...

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  6. The chief component of cement that has property of setting quickly and...

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  7. Hydrocyanic acid (K(a) = 4.8xx10^(-10)) is dissociated to an extent of...

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  8. The concentration of acetic acid (K(a)=1.8 xx 10^(-5)) required to giv...

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  9. After lossing a number of prop and beta- particles ""(238)^(92)U is ch...

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  10. Which one of the following systems is an example of a closed system ?

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  11. ZnSO(4) on boiling with Na(2)C0(3) solution produces

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  12. Which one given below is a non- reducing sugar ?

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  13. Regenerated fibres have superior physical properties because

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  14. At high pressure ,Langmuir adsorption isotherm takes the form :

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  15. The conjugate base of HPO(4)^(2-) is

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  16. Lansorprazole is used as

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  17. Which one of the following is not a truely synthetic fibre ?

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  18. The reaction RNH(2) + CHCI(3) + 3KOH to RNC + 3KCl + 3H(2)O is know a...

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  19. Non - formation of meniscus by Hg in presence of O(3) is due to the fo...

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  20. Which of the following is an ( n , p ) reaction ?

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