the directions say, "The following equations are balanced, but some of the subscripts have been ommitted. Rewrite the circled compound and supply the missing subscripts."
Here's the problem
P4O10 + 6H2O = 4H?PO?
The part after the equal sign is suppose to be circled and the question marks are the omitted subscripts.
Can someone please help me?
finding subscripts in chemistry equations
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