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Multi-Step Conversions. Sample Problems :. How many formula units are in 1.8 g of NaHCO 3 (sodium bicarbonate – baking soda ) ? (g mol particles).
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Sample Problems: • 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)
PRACTICE PROBLEMS: • How many formula units are in 3.5 g ofNaOH? (g mol particles)
2. If you burned 6.10 x 1024 molecules of ethane (C2H6), what mass of ethane did youburn? (particles mol g)
How many formula units are in 5.1 g ofTiO2? (g mol particles)
What is the mass of 3.62 x 1024 molecules of methanol (CH3OH)? (particles mol g)
How many formula units are in 1.4 g 0fPbCl2? (g mol particles)
6. Determine the mass of 2.94 x 1024 molecules of decane (C10H22). (particles mol g)
( • How many formula units are in 5.6 g of H2S? (g mol particles)
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)