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26.05.2021 •
Chemistry
What is the mass of NH4Cl that must dissolve in 100. grams of water at 50.°C to make a saturated solution?
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Ответ:
The oxidation half reaction for the given reaction is![Zn(s)\rightarrow Zn^{2+}(aq.)+2e^-](/tpl/images/0437/5200/fa291.png)
Explanation:
Oxidation reaction is defined as the reaction in which a substance looses its electron. The oxidation state of the substance gets increased.
Reduction reaction is defined as the reaction in which a substance gains electrons. The oxidation state of the substance gets reduced.
For the given chemical equation:
Oxidation half reaction:![Zn(s)\rightarrow Zn^{2+}(aq.)+2e^-](/tpl/images/0437/5200/fa291.png)
Reduction half reaction:![2H^+(aq.)+2e^-\rightarrow H_2(g)](/tpl/images/0437/5200/fdf64.png)
Zinc is getting oxidized and hydrogen is getting reduced.
Hence, the oxidation half reaction for the given reaction is![Zn(s)\rightarrow Zn^{2+}(aq.)+2e^-](/tpl/images/0437/5200/fa291.png)