3. Chemical Reactions

Empirical Formula

Open Question
What is the empirical formula of a compound that contains 85 Ag and 15 F by mass?
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Open Question
Which pair consists of a molecular formula and its corresponding empirical formula?
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Open Question
What is the simplest whole-number ratio of atoms in a molecule or formula unit called?
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Open Question
Determine the empirical formula for a compound that contains C, H and O. It contains 52.14% C and 34.73% O by mass.
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Open Question
What is the empirical formula for a compound if a sample contains 1.0 g of S and 1.5 g of O?
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Open Question
A molecule of a certain compound contains two nitrogen atoms and four oxygen atoms. What is the molecular formula for this compound?
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Open Question
What is the empirical formula for Hg₂(NO₃)₂?
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Open Question
A chemist decomposes samples of several compounds; the masses of their constituent elements are listed. calculate the empirical formula for each compound.
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Open Question
A molecule is found to contain 47.35 by mass c
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Open Question
Based on the mole ratio you determined in part c, what is the empirical formula of this compound?
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Open Question
A sample of an iron-containing compound is 22.0% iron, 50.2% oxygen, and 27.8% chlorine by mass.
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Open Question
A molecule's molecular formula and its empirical formula always share the same chemical properties
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Open Question
Which of the following could only be a molecular formula?
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Open Question
Which of the following statements about empirical formulas is incorrect?
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Open Question
Which statement is true about an empirical formula?
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