Moles Unit Quizizz

Which equals 1 mole?

• 6.022 grams

• 12.01 grams

• 6.022 x 10²³ particles

• 1 gram

Tags

NGSS.HS-PS1-7

Which is the molar mass of NF₃.

• 1 gram/mole

• 14.01 grams/mole

• 33.01

• 71.01 g/mol

Tags

NGSS.HS-PS1-1

Which two factors will convert 2.4 grams of O₂ to molecules of O₂?

Tags

NGSS.HS-PS1-7

Which will convert 6.3 moles of Zn to atoms?

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Which would convert 89.23 grams of CaO to moles of CaO?

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Which would convert 15.0 g Na to atoms of Na?

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Li + 2 H₂O --> 2 LiOH + H₂

How would you determine how many grams of Li are needed to react with 23.4 g of H₂O?

Tags

NGSS.HS-PS1-7

What does the law of conservation of matter state?

• matter is never conserved

• matter is always created

• matter is neither created nor destroyed

• matter does not exist

Tags

NGSS.HS-PS1-7

How is the reaction in the image evidence of conservation of matter?

• the TOTAL mass of the products is less than the reactants

• matter cannot change form

• matter was created

• the TOTAL mass before and after the reaction are the same

Tags

NGSS.HS-PS1-7

• grams and moles are canceled out due to division of same units. Molecules is the remaining unit.

• grams and moels cancel by multiplying the same units together

• the units cancel by subtraction