IOM 2017, Блиц — Задача 6

OLYMPIAD OF METROPOLISES. Moscow, September 4 · 4 септември 2017 г.

Условие

An iron plate with the mass of 5.00 g was placed into the solution containing 3.25 g of iron (III) chloride and 4.80 g of copper sulfate. Once the reactions have gone to completion, the plate was picked out of the solution, dried and weighed. What is its mass?

1. 2.76 g
2. 4.68 g
3. 5.00 g
4. 5.24 g

Отговори

Решение

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Оригинал в Архива: blitz.pdf · официални решения: answers-blitz.pdf