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Chemistry
Deon Roach
4 April, 05:32
What is the mass of 5.35*1021 platinum atoms?
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Kolton Hall
4 April, 05:49
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Atomic weight of a Platinum:
195.078 u = 195.078 * 1.66 * 10^ (-27) kg = 3.2382948 * 10^ (-25) kg
m (Pt) = 3.2382948 * 10^ (-25) * 5.35 * 10^ (21) =
= 1.732488 * 10^ (-3) kg = 1.732448 g
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