Answers IN-Chemistry B Unit Test — Unit testQuestion 3

3

QuizMultiple Choice

Unit Test — Unit test

Question 3 • IN-Chemistry B

A sample of calcium oxide (CaO) has a mass of 2.80 g. The molar mass of CaO is 56.08 g/mol. How many moles of CaO does this sample contain?

Answer

A

0.0499 moles

B

20.0 moles

C

58.9 moles

D

157 moles

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