Answers 2003350 Chemistry HONORS Sem 1 - MarezPercent Composition and Molecular Formula

Percent Composition and Molecular Formula Answers

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Consider the compound calcium nitrate, Ca(NO3)2. Which statements are true about this compound? Check all that apply.

A

There are two atoms of oxygen.

B

There are six atoms of oxygen.

C

There are two nitrogen atoms.

D

There are two calcium atoms.

If a sample contains 21.2 g N, how many moles of N does it contain?

A

0.66 mol

B

1.51 mol

C

14.01 mol

D

297.01 mol

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