Empirical Formula Steps Quiz

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Empirical formula steps

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tasnim

United Arab Emirates

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Froggy Jumps Empirical Formula Steps QuizOnline version Empirical formula steps by tasnim 1 What is the first step in calculating an empirical formula from mass data? a Find the compound's molar mass b Convert masses to moles c Add the masses together and simplify 2 Why do you divide each element's mole value by the smallest mole value? a To determine molecular weight b To convert to grams c To obtain whole-number mole ratios 3 If the smallest mole value is 0.5 and others are 1.5 and 2.5, what should you do? a Multiply all by 2 to obtain integers b Divide all by 0.5 c Add 0.5 to all values 4 Is the empirical formula always the same as the molecular formula? a Not always; b Yes, they are always identical c No, empirical is the reverse of molecular 5 What is the purpose of obtaining percent composition before converting to moles? a To find the compound's density b To directly get the molecular mass c To know the mass of each element in the sample 6 Which of the following is NOT a step in determining an empirical formula? a Converting masses to moles b Dividing by the smallest mole value c Finding the compound's color

Froggy Jumps

Empirical Formula Steps QuizOnline version

Empirical formula steps

by tasnim

What is the first step in calculating an empirical formula from mass data?

Find the compound's molar mass

Convert masses to moles

Add the masses together and simplify

Why do you divide each element's mole value by the smallest mole value?

To determine molecular weight

To convert to grams

To obtain whole-number mole ratios

If the smallest mole value is 0.5 and others are 1.5 and 2.5, what should you do?

Multiply all by 2 to obtain integers

Divide all by 0.5

Add 0.5 to all values

Is the empirical formula always the same as the molecular formula?

Not always;

Yes, they are always identical

No, empirical is the reverse of molecular

What is the purpose of obtaining percent composition before converting to moles?

To find the compound's density

To directly get the molecular mass

To know the mass of each element in the sample

Which of the following is NOT a step in determining an empirical formula?

Converting masses to moles

Dividing by the smallest mole value

Finding the compound's color

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Empirical Formula Steps Quiz

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Empirical Formula Steps QuizOnline version

by tasnim

What is the first step in calculating an empirical formula from mass data?

Why do you divide each element's mole value by the smallest mole value?

If the smallest mole value is 0.5 and others are 1.5 and 2.5, what should you do?

Is the empirical formula always the same as the molecular formula?

What is the purpose of obtaining percent composition before converting to moles?

Which of the following is NOT a step in determining an empirical formula?

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