LESLIES289 LESLIES289

27-03-2017
Biology

contestada

What is the mass percent of nitrogen in the dyeing agent, picric acid (C6H3N3O7)?

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Аноним Аноним

27-03-2017

3*14/(3*14 +6*12 + 7*16 + 3*1) = 18.34%
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