3 years ago

What is the mass number of an ion with 107 electrons, 159 neutrons, and a +1 charge? express your answer as an integer?

1 answer:

6 0

<span>The mass number of an ion is calculated by adding the neutrons and electrons together. In this case 159+107=266. However, since this ion has a +1 charge, you must add 1 to the electrons. This would give a total mass of 267.</span>

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Fe(CN)63- + Re → Fe(CN)64- + ReO4--. What is reduced?

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Explanation:

<em>Check the image below:</em>

Reducing agent is an element or compound that loses an electron to an electron recipient in a redox chemical reaction. oxidizing agent is a substance that has the ability to oxidize other substances — in other words to accept their electrons.