Suppose you are given the percent by mass of the elements in a compound and you wish to determine the empirical formula.Which of the following is true?
A)You must convert percent by mass to relative numbers of atoms.
B)You must assume exactly 100.0 g of the compound.
C)You must divide all of the percent by mass numbers by the smallest percent by mass.
D)You cannot solve for the empirical formula without the molar mass.
E)At least two of the above (A-D)are true.

Question

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The Answer of Suppose you are given the percent by mass of the elements in a compound and you wish to determine the empirical formula.Which of the following is true?
A)You must convert percent by mass to relative numbers of atoms.
B)You must assume exactly 100.0 g of the compound.
C)You must divide all of the percent by mass numbers by the smallest percent by mass.
D)You cannot solve for the empirical formula without the molar mass.
E)At least two of the above (A-D)are true.

Suppose You Are Given the Percent by Mass of the Elements