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Borax in water gives the following: B4...

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.
`(Mw` of borax`=382`)

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3.82 g , 0.9235 g , 1.847 g
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