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Ivan
2 years ago
7

an atom has 70 protons, 70 electrons, and 99 neutrons. what is the mass number? group of answer choices

Chemistry
1 answer:
Blizzard [7]2 years ago
6 0

Answer:

169

Explanation:

protons+neutrons=atomic mass

70+99=169

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How many milliliters of 0.130 M HCl are needed to completely neutralize 41.0 mL of 0.107 M Ba(OH)2 solution?
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The proper answers to your questions are....

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If you need anymore help feel free to ask me!

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