Posted by Chris on Wednesday, May 12, 2010 at 9:56am.
How do we know the difference between products and reactants with no arrow???
1. Write and balance the equation.
2. Convert 7.0 g C3H8 to moles. moles = grams/molar mass.
3. Using the coefficients in the balanced equation, convert moles C3H8 to moles O2.
4. Convert moles O2 to grams. g = moles x molar mass.
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