116. Задачка по химии №011 634

1. What volume of a solution of arsenic chloride with a molar concentration equivalent of 0.001 mol/l should be added to 0.02 l of hydrogen sulfide with a molar concentration equivalent of 0.003 mol/l so that the formation of the sol does not pass, but the precipitate of arsenic (III) sulfide precipitates?

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