C3H8 + 5O2 - > 3CO2 + 4H2O

According to this equation, which ratio of oxygen to propane is correct?

1 - 5 grams O2 / 1 gram C3H8

2 - 5 moles O2 / 1 mole C3H8

3 - 10 grams O2 / 11 grams C3H8

4 - 10 moles O2 / 11 moles C3H8

Gravity will have a greater effect on an object with

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The measure of how acidic or base a solution is

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