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Помогите пожалуйста срочно При сгорании 2 г фосфора образовалось 4,58 г фосфорного ангидрида. Определите эквивалентность фосфора.
Ответы 1
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Если в Р2О5 у фосфора заряд +5, который получился из 0, то элемент фосфор отдал 5 е, и эквивалентная масса равна 1/5 от молярной. 31/5=6,2.
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Автор:
cheyennecujh - 1 год назад
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3
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