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Arlecino [84]
3 years ago
9

What is the chemical formula for copper(ll) sulfate?

Mathematics
1 answer:
Darya [45]3 years ago
7 0
It should be A, CuSO4
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The sum of two numbers is 39. The second number is 6 more than half of the first number. Let a represent the first number and le
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Write 2 equations:

a +b = 39

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Step-by-step explanation:

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