Percent Composition and Molecular Formula Answers

Select the simplest mole ratio for each substance.Glucose (C6H12O6):

Sulfuric acid (H2SO4):

Butene (C4H8):

Molecular formula: C6H12O6Empirical formula:

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C2H6

What is the percent by mass of carbon in glucose? %

A compound contains 75% carbon and 25% hydrogen by mass. What is the empirical formula for 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?

A sample of a compound contains 9.11 g Ni and 5.89 g F. What is the empirical formula of this compound?

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Molecular formula: H2SO4Empirical formula:

C2H6

What is the percent by mass of hydrogen in glucose? %

A compound is 42% sodium, 19% phosphorus, and 39% oxygen by mass. What is the empirical formula of this compound?

The empirical formula for a compound is CH2. Its molar mass is 140.1 g/mol. What is its molecular formula?

If the molar mass of the compound is 96.69 g/mol, what is the molecular formula of the compound?

What is the percent by mass of oxygen in glucose? %

Calcium bicarbonate (Ca(HCO))Ca:H:C:O = 1:2:2

Molecular formula: C6H12O6Empirical formula: