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Chemistry, 12.03.2021 03:20 stopithelpmeplease

What is the correct formula when Al+3 combines with CrO4-2 A. Al2CrO43
B. Al2(CrO4)3
C. Al4(CrO)3

Which two are incorrect and why?

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What is the correct formula when Al+3 combines with CrO4-2 A. Al2CrO43
B. Al2(CrO4)3
C...
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