What is the sum of the coefficients of the products for the balanced chemical equation #"2FeS"_2 + "5O"_2"##rarr##"Fe"_2"O"_2 + "4SO"_2"#?

1 Answer
Meave60
May 5, 2018

#5#

Explanation:

Balanced equation

#"2FeS"_2 + "5O"_2"##rarr##"Fe"_2"O"_2 + "4SO"_2"#

The products are on the right-hand side of a chemical equation. So #"Fe"_2"O"_2"# and #"SO"_2"# are the products. When there is no coefficient written, it is understood to be #1#. So add the coefficients #1# and #4# to get #5#.

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