7) How many molecules are there in 1.655 moles of C&H: 8) How many moles are there in 2.35 x 10 molecules of water? 9) How many grams does 6.50 x 102 molecules of SiOz weigh? 10) How many liters at STP are there in 2016 grams of CHE? 11) How many moles of ammonia are in 1.20 x 10 molecules of ammonia? 12) You need 2.50 moles of aluminum for an experiment. How many atoms of aluminum is this? 13) 408.1 g of sucrose (C12H22011) are required to make two quarts of Kool-Aid. How many molecules of sucrose are used in this recipe? 14) There are 3.20 x 1021 atoms of copper in the shell of pennies. How many grams of copper is this? 15) If you pump 15.64 kg of gas (Ches) into a car, how many molecules of octane are pumped