Number Of Moles And Atoms In 1.25 Carat Diamond
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Expressions Of Pj Problems
Number Of Moles And Atoms In 1.25 Carat Diamond

Diamond is a natural form of carbon.

(a) How many moles of carbon are in a 1.25-carat diamond ( 1-carat = 0.200 g)?
(b) How many atoms are in this diamond?

The strings: S7P1A15 (containership - mass).

The math:
Pj Problem of Interest is of type containership (mass).

(a) Molar mass of carbon = 12
1.25-carat = 1.25(0.200) = 0.25 g
So, moles of 0.25 g of diamond = 0.25/12 = 0.0208 mol of diamond.

(b) 1 mole contains the Avogadro number of atoms = 6.02 x 1023 atoms
So, 0.0208 mol will contain 0.0208 x 6.02 x 1023 = 0.125 x 1023 =1.25 x 1022 atoms.

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