What is the mass of 8.00 molesmoles of magnesium chloride, MgCl2MgCl2? Express your answer with the appropriate units. B. How many moles of nitrogen, NN, are in 78.0 gg of nitrous oxide, N2ON2O? Express your answer with the appropriate units.
What is the mass of 8.00 molesmoles of magnesium chloride, MgCl2MgCl2? Express your answer with the appropriate units. B. How many moles of nitrogen, NN, are in 78.0 gg of nitrous oxide, N2ON2O? Express your answer with the appropriate units.
Chapter3: Stoichiometry
Section: Chapter Questions
Problem 172CP: The aspirin substitute, acetaminophen (C8H9O2N), is produced by the following three-step synthesis:...
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Question
12.
To convert between mass and number of moles.
The conversion factor between mass and number of moles is called molar mass. By consulting the periodic table , we can determine that the molar mass of NaClNaCl is
23.0 g/mole+35.5 g/mole=58.5 g/mole23.0 g/mole+35.5 g/mole=58.5 g/mole
This number tells us that 1 molemole of NaClNaCl has a mass of 58.5 gg . The conversion factors are
58.5 g1 mole58.5 g1 mole | and | 1 mole58.5 g1 mole58.5 g |
Here is an example of the conversion of 12.0 molesmoles of NaClNaCl to grams using the first conversion factor:
12.0 moles×58.5 g1 mole=702 g
A.
What is the mass of 8.00 molesmoles of magnesium chloride, MgCl2MgCl2?
Express your answer with the appropriate units.
B.
How many moles of nitrogen, NN, are in 78.0 gg of nitrous oxide, N2ON2O?
Express your answer with the appropriate units.
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