Empirical formula

Empirical formula

Assessment

Interactive Video

Science, Chemistry, Physics

6th - 12th Grade

Hard

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The video tutorial explains the concept of empirical formulas, using calcium chloride as an example, where the empirical formula is CaCl2, indicating two chlorine atoms for each calcium atom. It further discusses how empirical formulas for covalent compounds are often simpler than their molecular formulas, exemplified by glucose, which has a molecular formula of C6H12O6 that simplifies to an empirical formula of CH2O.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the empirical formula for calcium chloride?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How many chlorine atoms are present for every calcium atom in calcium chloride?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the relationship between the empirical formula and the molecular formula for covalent compounds?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the molecular formula of glucose?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the empirical formula of glucose simplify to?

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