Formulas & Formula Mass

What is the formula mass of CO₂?

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NGSS.MS-PS1-1

What is the formula mass of CuCl₂?

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What is the formula mass of NaCl?

What is the formula mass of NH₃?

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What is the formula mass of MgO?

How many molecules are present?

• 5

• 2

• 10

• 7

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NGSS.MS-PS1-1

How many oxygen atoms are in this chemical formula?

• 7 oxygen atoms
• 4 oxygen atoms
• 3 oxygen atoms
• 1 oxygen atom

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NGSS.MS-PS1-1

How many different elements are in C₆H₁₂O₆?

• 1

• 2

• 3

• 4

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How many carbon atoms (C) are in a CO₂ molecule?

• 1
• 2
• 3
• 0

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NGSS.MS-PS1-1

How many Oxygen atoms (O) are in a molecule of CO₂?

• 1

• 2

• 3

• 0

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NGSS.MS-PS1-1