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Answers PA-Physical Science A Unit TestQuestion 22

22

QuizMultiple Choice

Unit Test

Question 22 of 25 • PA-Physical Science A

Lakshmi has a sample of ammonium nitrate (NH4NO3) that has a mass of 40.10 g. She knows that the molar mass of NH4NO3 is 80.06 g/mol. To the correct number of significant digits, how many moles of NH4NO3 does the sample contain?

Answer

A

0.5000 moles

B

0.5010 moles

C

0.5008 moles

D

0.5009 moles

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Unit Test - Question 22 | PA-Physical Science A | Revolt