Question

Helps 2 attempts left Check my work Be sure to answer all parts. Enter your answers in scientific notation. How many carbon atoms are contained in each of the following number of moles: (a) 3.50 mol; (b) 4.70 mol? Report answer using three significant figures. al atoms * 10 * 10 (6) atoms

Answer 1

ve know, we know, 1 mole of 'e' contains 6.023 X 1023 molecules 3.50 " " " (6.023x102?x350) = 2.10805 x 1024 molecules • 1 molecule of a contains 1 c atom .: 2.10805x1024 " " " (1 x 2.10805 x1024) In = 2.10805 X 1024 i 2.1050 sx 1024 carbon atoms are contained in 3.50 mol. (Answers 1 . he know, - 1 mole of 'c' 4.70 " " " We know, 1 molecule of is 2083084 X184.1 a contains 61023x102 molecules " (6.023X1023 x 4.70) - 2.8308) x 1024 1 contains 1 c atom " (1 x 2.83081x1024) "" = 2.83081 41624 atoms are contained in 4.70 mele. Cansorer) I "2.83081810²9 carbon