ANSWERS: 1
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I'm guessing:<<<----- 6.023 x 10 to the 23rd power = 1 mole if you have .28 mole, than 6.023x10"23rd X .28 might be the answer. Sorry, been a long time since HS chemistry. Maybe: 1.69 x 10"23rd number of molecules?? Like I said, I'm guessing.
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