Worksheet – Mole calculations Show all your work and box in your ...

8) How many molecules are there in 2.3 grams of NH 4 SO 2 ? (1.7 x 10 22 molecules NH 4 SO 2 )9) How many moles are in 9.8 grams of calcium? (0.24 moles calcium)10) How many grams are in 238 moles of arsenic? (17800 grams arsenic)11) How many grams are there in 3.3 x 10 23 molecules of N 2 I 6 ? (430 grams N 2 l 6 )12) How many molecules are there in 200 grams of CCl 4 ? (8 x 10 23 molecules CCl 4 )13) How many grams are in 0.02 moles of beryllium iodide, BeI 2 ? (5 grams Bel 2 )14) How many grams are there in 1 x 10 24 molecules of BCl 3 ? (200 grams BCl 3 )15) How many grams are there in 4.5 x 10 22 molecules of Ba(NO 2 ) 2 ? (17 grams Ba(NO 2 ) 2 )