xelynncaldera
01.11.2019 •
Chemistry
Robert places a piece of magnesium metal (mg) into a test tube of hydrochloric acid (hcl). the magnesium begins to bubble and fizz, releasing hydrogen gas (h2) and the test tube gets warm. which equation represents the reaction robert observed?
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Ответ:
Explanation:
The reaction is a simple replacement reaction in which hydrogen gas is liberated when it gets replaced by Magnesium in aqueous solution of hydrochloric acid.
1 mole of Mg reacts with 2 moles of HCl to give 1 mole and 1 mole gas. The balanced equation for the reaction Robert observed is as follows:
Ответ:
66
Explanation: