I need all three answered, thank you Express your answer to four significant fig

Question

I need all three answered, thank you

Express your answer to four significant figures and include the appropriate units IA nCF2C,-10.35 |moles Previous Answers Request Answer Incorrect, Try Again; no points deducted Part B 27.0 kg Fe (NO3) 2 Express your answer to three significant figures and include the appropriate units lA nFe(NOs)2 25 moles Submit Previous Answers Request Answer X Incorrect; Try Again Part C 0.9037 g CsHis Express your answer to four significant figures and include the appropriate units ncsHn®1 Value I Units |

Explanation / Answer

part b

n = mass / molar mass  

mass = 27.0 Kg = 27000 g

molar mass = 179.8 g /mol

n = 27000 / 179.8

n = 150. moles

c) n = mass /molar mass

mass = 0.9037 g

molar mass = 114 g /mol

n = 0.9037 / 114

n =0.007927 moles

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