1.

A 100mL solution containing 0.4 M As_(2)S_(3), 5M NaOH and 6M H_(2)O_(2) are reacted to form AsO_(4)^(3)" and "SO_(4)^(2-) as product. If final solution is allowed to stand for some time, what maximum volume of O_(2) at 1 atm and 273Kcan be obtained by decomposition of H_(2)O_(2)?

Answer»

112mL
224mL
336mL
448mL

Answer :d


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