Moles Quenstions Flashcards

1
Q

How many moles are in 25.0 grams of water?

A

1.39 mol H2O

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2
Q

How many grams are in 4.500 moles of Li2O?

A

134.6 g Li2O

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3
Q

How many molecules are in 23.0 moles of oxygen?

A

1.38 x 1025 O2 molecules

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4
Q

How many moles are in 3.4 x 1023 molecules of H2SO4?

A

0.56 mol H2SO4

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5
Q

How many molecules are in 25.0 grams of NH3?

A

8.85 x 1023 molecules
NH3

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6
Q

How many grams are in 8.200 x 1022 molecules of N2I6?

A

107.5 g N2I6

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