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Solve it step by step plz
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Asked by vishakhachandan026 | 20 Apr, 2019, 01:07: AM
answered-by-expert Expert Answer
L e t space W subscript K O H end subscript equals space x space g W subscript c a left parenthesis O H right parenthesis subscript 2 end subscript space equals space left parenthesis 4.2 minus x right parenthesis space g U sin g space l a w space o f space c h e m i c a l space e q u i v a l e n c e space w e space h a v e comma M subscript e q end subscript space o f space K O H thin space plus space M subscript e q end subscript space o f space C a left parenthesis O H right parenthesis subscript 2 space equals space M subscript e q space end subscript o f space a c i d x over 56 cross times 1000 space plus space fraction numerator 4.2 space minus x over denominator begin display style 74 over 2 end style end fraction cross times 1000 space equals space 0.1 cross times 1000 o r comma space fraction numerator x over denominator 56 space end fraction plus space fraction numerator 4.2 minus x over denominator 37 end fraction space equals space 0.1 S o l v i n g space f o r space x space w e space g e t space x space equals space 1.47 g S o comma space w subscript K O H end subscript space equals space 1.47 g a n d space percent sign K O H space equals space fraction numerator 1.47 over denominator 4.2 end fraction cross times space 100 space equals space 35 percent sign a n d space w subscript C a left parenthesis O H right parenthesis subscript 2 end subscript space equals space 4.2 minus 1.47 space equals space 2.73 g S o comma space percent sign space C a left parenthesis O H right parenthesis subscript 2 space equals space 65 percent sign
Answered by Sumit Chakrapani | 20 Apr, 2019, 13:46: PM

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