7) Determine each of the following requested quantities
a) mol of N atoms in 893.9 kg of N2O4F 2 moles of n atoms = 28.0134 g

b) mass of N found in 2300.0 g of NaNO3

c) Mass of C found in 47.596 nmol of CaCO3

d) mass of CaO found in 3.49 Mg of CaCO3

e) # of H atoms found in 29.1 mg of water.

f) # of carbon dioxide molecules that can be obtained by burning 42,533.33 fg of glucose in excess oxygen gas.

Question

7)	Determine each of the following requested quantities
a)	mol of N atoms in 893.9 kg of N2O4F 2 moles of n atoms = 28.0134 g

b)	mass of N found in 2300.0 g of NaNO3

c)	Mass of C found in 47.596 nmol of CaCO3


d)	mass of CaO found in 3.49 Mg of CaCO3


e)	# of H atoms found in 29.1 mg of water.


f)	# of carbon dioxide molecules that can be obtained by burning 42,533.33 fg of glucose in excess oxygen gas.

aaronq · Answer

The only formulas you need are: 

$\sf moles=\dfrac{mass}{Molar~mass}$   and   $\sf moles=\dfrac{number~of~particles}{Avogadro's~number}$