Grams/moles/molecules/atoms practice

4. If you have 9.1 grams of ammonia, how many . moles. of ammonia do you have? (0.53 mol NH3) 5. If you have 3.56 X 1022 molecules of NH3, how many . grams. of ammonia do you have? (1.01 g NH3) 6. If you have 4.1 X 1019 molecules of ammonia, how many . moles. of ammonia do you have? ( 6.8 X 10-5 mol NH3) 7. How many . H atoms. are present in 12 ... ................
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