What number should be written in front of Na to balance the equation? Na + MgCl2 → NaCl + Mg 1 2 3 4

Question

What number should be written in front of Na to balance the equation?
Na + MgCl2 → NaCl + Mg
1
2
3
4

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Kim Cúc 5 years 2021-08-14T23:10:24+00:00 1 Answers 42 views 0

Answers ( )

  1. Dau
    0
    2021-08-14T23:11:29+00:00
    Reply

    In order to balance the chemical equation, the coefficient of Na should be 2.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )