(a) Mass of sodium atoms carried by Krish = (5 x 23) g = 115 g
Mass of carbon atoms carried by Raunak = (5 × 12) g = 60 g
Thus, Krish’s container is heavier.
(b) Both the bags have same number of atoms as they have same number of moles of atoms.
Question
Raunak took 5 moles of carbon atoms in a container and Krish also took 5 moles of sodium atoms in another container of same weight. (a) Whose container is heavier? (b) Whose container has more number of atoms?
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Open Answer »A colorless liquid is thought to be a pure compound. Analysis of three samples of the material yield the following results.
| Mass of Sample | Mass of carbon | Mass of Hydrogen | |
| Sample 1 | 1.0 g | 0.862 g | 0.138 g |
| Sample 2 | 1.549 g | 1.335 g | 0.214 g |
| Sample 3 | 0.988 g | 0.852 g | 0.136 g |