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29 August, 22:29

What feature of a chemical equation is used to balance the equation and make sure it obeys the law of conservation of mass?

a

numbers

b

coefficient

c

superscript

d

subscript

+2
Answers (2)
  1. 29 August, 22:39
    0
    b. Coefficient.

    Explanation:

    For example:

    Zinc combines with oxygen to form zinc oxlde:

    We have Zn and O2 forming ZnO:

    2Zn + O2 = 2ZnO

    The 2's before the Zn and ZnO balance the equation
  2. 29 August, 22:58
    0
    b) coefficient

    Explanation:

    Refer to this example:

    CH4 + 2 O2 → CO2 + 2 H2O

    2 is used as a coefficient in this chemical equation.
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