Question

Rakesh needs 1.71 g of sugar (
CH..0..) to sweeten his tea. What would be the number of carbon atom present
in his tea:
(A) 3.6 10-
(B) 7.2 * 1021
(C) 0.05 102
(D) 6.6 x 1022​

Answer 1

Answer:

The answer is (A)

Explanation:

The number of moles is the ratio of mass to molar mass.

Moles of Sugar = 3421.71=2001 mol

The number of molecules is the product of the number of moles and Avogadro's number NA=6.023×1023.

Number of molecules = 2001×NA

Number of C atoms = 12×2001×NA

=3.6 ×10 22