NAME:______________________________________________
Mods:_______________
1.
What is the molar mass for sodium phosphate (Na3PO4)?
2.
What is the molar mass for iron (III) bromide (FeBr3)?
3.
If you are given 95.9 grams of potassium hydroxide (KOH), how many
moles is that?
4.
A lab calls for 7.95 moles of butane (C4H10). What is the mass of that butane?
5.
You see three bottles of acid on a lab bench. The first bottle has 3 moles of
sulfuric acid, the second has 3 moles of hydrochloric acid and the third has
3 moles of nitric acid. Which bottle contains the most molecules?
6.
A Britney Spears concert requires a lot of dry ice (solid carbon dioxide)! If
25 moles of carbon dioxide sublimate during “I-I-I Wanna Go-o-o,” how many
molecules of carbon dioxide is that?
7.
How many atoms are in 522 grams of platinum (Pt)?
8.
Two balloons are filled up for a “Mole Day!” celebration. The first balloon is filled
with 100 grams of Neon (Ne) and the second with 100 grams of Oxygen (O2).
Which balloon contains the most gas molecules?
9.
A 222 cm3 sample of aluminum (Al) is taken to be recycled. If the density of
aluminum is 2.70 g/cm3, how many aluminum atoms are being recycled?
Density = Mass ÷ Volume!
10.
A storage container is filled with 202 grams of phosphorus hexachloride (PCl6).
How many CHLORINE ATOMS are in this container?