Question

Number of carbon atoms present in 22g CO2 IS
(1) 6.02 x 1023
(2) 3.01 * 1023
(3) 3.01 * 10-23
(4) 6.02 * 10-23
Mass of 1 amu in g is
(1) 1.66 X 1024
(2) 1.66 x 10-24
(3) 1.008
(4) 9.1 * 10-28
The actual mass of a molecule of carbon dioxide is
(1) 7.3 * 10-23 9 (2) 6.02 x 10-23 g
(3) 449
(4) 3.65 * 10-23 g
11​

Answer 1

6.02 into 1023 second 13.01 star bracket