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41. Suppose you have half a mole of sulfur atoms. How many sulfur atoms do you have? 42. How many micrograms of zinc carbonat

is 1.84 g/cm. 46. How many daL of bromine are in 15.7 x 1022 molecules? (The density of bromine is 3.1 g/cm) 47. How many da

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40. Number of a number of x 6.02x10 23 W S-atom mole = 0,5 mol x 6002 x 1023 = 3.0141023.S-atom 42. mass of Znco2 = moles x m

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