What is the mass of 3.45 moles of #NH_4NO_3#?

Answer 1

Shouldn't you tell us this?

The molar masses of hydrogen, nitrogen, and oxygen, are #1.00794, 14.01,# and #15.999*g*mol^-1# respectively. Sum these masses appropriately, multiply by 3.45, and report back if you're still unsure.

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Answer 2

Owen Ambrose

The mass of 3.45 moles #"NH"_4"NO"_3"# is 276 g.

First determine the molar mass of ammonium nitrate, #"NH"_4"NO"_3"#. Then multiply the given moles ammonium nitrate by its molar mass.

Molar mass #"NH"_4"NO"_3":##"80.043 g/mol"# https://tutor.hix.ai

#(3.45cancel"mol NH"_4"NO"_3)xx(80.043"g NH"_4"NO"_3)/(1cancel"mol NH"_4"NO"_3)="276 g NH"_4"NO"_3"# rounded to three significant figure

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Answer 3

Naomi Aronson

The molar mass of NH₄NO₃ is approximately 80.04 g/mol. Therefore, the mass of 3.45 moles of NH₄NO₃ is approximately 276.222 g.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.