Transcript Multi-Step Conversions

A) How many formula units are in 1.8 g of NaHCO3
(sodium bicarbonate – baking soda) ?
(g  mol  particles)
B) If you burned 4.0 x 1024 molecules of natural gas, or
methane (CH4), during a laboratory experiment, what
mass of methane did you burn?
(particles  mol  g)
1.
How many formula units are in 3.5 g of NaOH?
(g  mol  particles)
2. If you burned 6.10 x 1024 molecules of ethane (C2H6),
what mass of ethane did you burn?
(particles  mol  g)
3.
How many formula units are in 5.1 g of TiO2?
(g  mol  particles)
4.
What is the mass of 3.62 x 1024 molecules of
methanol (CH3OH)? (particles  mol  g)
5.
How many formula units are in 1.4 g 0f PbCl2?
(g  mol  particles)
6. Determine the mass of 2.94 x 1024 molecules
of decane (C10H22). (particles  mol  g)
(
7.
How many formula units are in 5.6 g of H2S?
(g  mol  particles)
MULTI – STEP
CONVERSIONS
QUIZ
1.) How many grams are there in 1.5 x 1025 molecules of
CO2? (particles  mol  g)
2. ) What volume would the CO2 in problem 1 occupy?
(mol  L)
3. A sample of NH3 gas occupies 75.0 liters at standard
conditions. How many molecules is this?
(L  mol  particles)
4.) What is the mass of the sample of NH3 in problem 3?
(mol  g)
5.) A 5.0 g sample of O2 is in a container at standard
conditions. What is the volume of the container?
(g  mol  L)