Jupiter Hammerheads (Single A)

1. What is the molar mass of water H2O?

2. How many grams of water are in 2 moles of water?

3. What is the mass of 4.28 x 10^22 molecules of water?

Carolina Mudcats (Double AA)

1. What is the mass of 3.25 moles of sulfuric acid (H2SO4)?

2. How many atoms of each element are there 4.88 x 10^2 g of sulfuric acid (H2SO4)?

3. Put the following in order of increasing mass: a. 25.0 g of oxygen gasb. 1.00 mol of H2Oc. 3 x 10^23 molecules of C2H6

d. 2 x 10^23 molecules of C2H6O2

Albuquerque Isotopes (Triple AAA)

1. The characteristic odor of garlic is due to the compound allyl sulfide ((C3H5)2)S). What is the mass of 2.50 moles of allyl sulfide?

2. Butane gas C4H10, is often used as a fuel.a. What is the mass of 3.00 mol of butane?b. How many molecules are present in that 3.00 mol sample?

3. Isopentyl acetate (C7H14O2), the compound responsible for the scent of bananas, can be produced commercially. Interestingly, bee’s release about 1ug (1 x 10^-6 g) of this compound when they sting. The resulting scent attracts other bees to join the attack.

a. How many molecules of isopentyl acetate are released in a typical bee sting?

b. How many atoms of carbon are present in this sting?

FLORIDA MARLINS ( MAJOR LEAGUE)

1. The molecular formula of acetylsalicylic acid (aspirin), one the most commonly used pain relievers, is C9H8O4.

a. Calculate the molar mass of aspirin.b. A typical aspirin tablet contains 500. mg of C9H8O4. In order to relieve

muscle aches and pains, it is recommended to take 2 tablets of aspirin. How many moles of C9H8O4 molecules and how many molecules of acetylsalicylic acid need to be taken if you want to relieve a minor headache (recommended dose=2 tablets) ?

2. Humulone, C21H30O5, is one of the flavor components that gives a bitter taste to the hops used in making beer.

a. What is the molar mass of humulone?b. How many moles of C21H30O5 molecules are in 275 mg of humulone?c. What is the mass of 0.600 mol of humulone?d. How many atoms are in 1.00 ng of humulone? Nano=10^-9e. What is the mass of 1.00 x 10^9 molecules of humulone?f. What is the mass of one molecule of humulone?