The percentage by weight of O_(2) in CaSO_(4)(O=16, Ca=40, S=32) is � – InterviewSolution

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1.	The percentage by weight of O_(2) in CaSO_(4)(O=16, Ca=40, S=32) is ……………. .
Answer» `64%` `28.2%` `47.05%` `16.2%` Solution :HINT : `"% by weight of "O_(2)` `=(64)/(136)xx100=47.05%`

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