24-02-2021
Chemistry

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Please help me
How many hydrogen(H) atoms are in 3(NH₄)₂Cr₂O₇
And How many Nitrogen(N) atoms are in 3(NH₄)₂Cr₂O₇

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pj241553 pj241553

24-02-2021

Answer:

24 H

6 N

Explanation:

3 × (4 × 2) = 24 H

3 × 2 = 6 N

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