Question

How many carbon atoms are there in a 1.5-carat diamond? diamonds are a form of pure carbon. ( 1 carat=0.20 grams)?

Answer 1

Step-by-step explanation:

"Once you've determined the mass of carbon in grams, the atomic mass is used to convert the mass to the number of moles, and Avogadro's number is used to calculate the number of atoms. The calculation using the appropriate conversion factors is summarized as follows:

1.3 carat

×

0.2 g/1 carat

×

1 mol C/12.01 g

×

6.022×1023 carbon atoms/1 mol C

Answer : 1.3×10²² carbon atoms

Answer 2

1 carot = 0.2 grams
1.5 carot = 0.3 grams.

1 mol of Carbon = 12 grams
x mol = 0.3 grams

0.3 * 1 = 12 x
x = 0.3/12
x = 0.025 mol

1 mol of Carbon is 6.02 * 10^23 atoms
0.025 mol of carbon is x

1/0.025 = 6.02*10^23 * /x
x = 0.025 * 6.02 * 10^23
x = 1.5 * 10^22 atoms of carbon.