%
45.4%
%
54.6%
A compound contains 75% carbon and 25% hydrogen by mass. What is the empirical formula for this compound?
A compound is 42% sodium, 19% phosphorus, and 39% oxygen by mass. What is the empirical formula of this compound?
The empirical formula of an artificial sweetener is C14H18N2O5. The molecular mass of the sweetener is 294.34 g/mol. What is the molecular formula of the artificial sweetener?
The empirical formula for a compound is CH2. Its molar mass is 140.1 g/mol. What is its molecular formula?
A sample of a compound contains 9.11 g Ni and 5.89 g F. What is the empirical formula of this compound?
If the molar mass of the compound is 96.69 g/mol, what is the molecular formula of the compound?
Question text not available
A:
4
B:
10
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