26. Решение задачки по химии №19
9. Convert the ethyl alcohol prescribed in the recipe to ethyl alcohol of the accounting concentration. accounting concentration 95.3%.
Take: Copper sulfate 0.1
Zinc sulfate 0.4
Camphor 0.3
Ethyl alcohol 70% 30 ml
Purified water up to 300 ml
Mix it up. Give. Label.
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