1) Mass is measured in a) Grams b) Kilograms c) Moles d) Grams/mole 2) How many hydrogen atoms in NH3? a) 1 b) 3 c) 6 d) 4 3) One mole of potassium is equal to a) 19 grams b) 39 grams c) 20 grams d) 1 gram 4) The number of particles in one mole a) 1 b) 3.01 x 1023 c) 6.02 x 1023 d) It can vary

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