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(Solved): Use the References to access important values if needed for this que The percent by mass of oxygen ...
Use the References to access important values if needed for this que The percent by mass of oxygen in \( \mathrm{C}_{3} \mathrm{H}_{8} \mathrm{O}_{3} \) is \( \% \) (Enter your answer to four significant figures.)
Expert Answer
Percent by mass of an element in a given compound is the mass(in grams) of that element present in the 100 grams of the given compound. So, for a give