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Borax in water gives B(4)O(7)^(2-)+7H(...

Borax in water gives
`B_(4)O_(7)^(2-)+7H_(2)O rarr 4H_(3)BO_(3)+2OH^(-)`
How many grams of Borax `(Na_(2)B_(4)O_(7). 10H_(2)O)` are required to prepare 50 ml of 0.2 M solution.

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3.82 g , 0.9235 g , 1.847 g
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Na_(2)b_(4)O_(7)10H_(2)O is

Borax in water gives the following: B_4O_7^(2-)+7H_2Oto4H_2BO_3+2overset(ɵ)(O)H How many grams of borax (Na_2B_4O_7.10H_2O) are required to (a). Prepare 50 " mL of " 0.2 M solutionl. (b). Neutralise 25 " mL of " 0.2 M H_2SO_4 (Mw of borax =382 )

Na_(2)B_(4)O_(7).10H_(2)O is correctly represented as

How many grams of borax (Na_2B_4O_7.10H_2O) are required to neutralise 25 " mL of " 0.2 M HCl and H_2SO_4 separately?

Na_(2)B_(4)O_(7).10H_(2)O is correctly represent by

The mass of oxalic acid crystals (H_(2)C_(2)O_(4).2H_(2)O) required to prepare 50 mL of a 0.2 N solution is:

In borax (Na_(2)B_(4)O_(7).10H_(2)O) how many B-O-B bonds are present?

AAKASH INSTITUTE-REDOX REACTIONS-Assignment (Section I) (Subjective Type Questions)
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  2. Balance the following equation by oxidation number method K(2)Cr(2)O...

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  3. Balance the following reaction by the oxidation number method - MnO(...

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  4. Balance the equation by lon-electron method (ii) MnO(4)^(-) + H(2)C(...

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  5. Balance the equation by lon-electron method (iii) Cu^(2+) + SO(2) to...

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  6. Balance the equation by lon-electron method (iv) N(2)O(4) + BrO(3)^(...

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  7. Balance the equation by lon-electron method (v) Br^(-) + BrO(3)^(-) ...

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  8. Balance the equation by lon-electron method (vi) Cl(2) +OH^(-) to S^...

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  9. Balance the equation by lon-electron method (vii) S+ OH^(+) to S^(2-...

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  10. Balance the equation by lon-electron method (viii) Al + NO(3)^(-) to...

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  11. Balance the equation by lon-electron method (ix) Cr(2)O(7)^(2-) + Fe...

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  12. Balance the equation by lon-electron method (x) Fe(3)O(4) + MnO(4)^(...

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  13. 2.68xx10^(-3) moles of solution containing anion A^(n+) require 1.61xx...

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  14. The weight of MnO(2) and the volume of HCl of specific gravity 1.2 g m...

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  15. What is the weight of sodium bromate and molarity of solution to prepa...

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  16. 5.7 g of bleaching powder was suspended in 500 mL of water. 25 mL of t...

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  17. Borax in water gives B(4)O(7)^(2-)+7H(2)O rarr 4H(3)BO(3)+2OH^(-) ...

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  18. 1 g sample of AgNO(3) is dissolved in 50 mL of water, It is titrated w...

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  19. A solution contains Na(2)CO(3) and NaHCO(3). 10 mL of the solution req...

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  20. A 1 g sample of Fe(2)O(3) solid of 55.2% purity is dissolved in acid a...

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