Answer:

Explanation:
Hello,
In this case, given the balanced reaction:

We can see a 2:4 mole ration between permanganate ion (118.9 g/mol) and manganese (IV) oxide (86.9 g/mol), that is why the resulting mas of this last one turns out:

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Answer:
The answer is b
Explanation:
they both are decomposition
Answer:This would be heterozygous, so both dominant and recessive alleles are written.
Explanation:Heterozygous means that the dominant and recessive alleles are written genotypically.