0 votes
69 views
ago in Other by (-1,675 points)
How many moles of atoms are in 7.00 g of 13c? express your answer numerically in moles?

Please log in or register to answer this question.

1 Answer

0 votes
ago by (-7,939 points)
Molar mass of 13c = 13 grams

number of moles = mass / molar mass

therefore,

number of moles = 7 / 13

To know the number of atoms in 7/13 moles, we simply multiply the number of moles by Avogadro's number as follows:

number of atoms = (7/13) x 6.022 x 10^23 = 3.2426 x 10^23 atoms

Related questions

–2 votes
1 answer
0 votes
1 answer
asked Nov 9, 2019 in Important Questions by ajaykr Premium (893 points)
0 votes
1 answer

Categories

...