Basic concepts of chemistry
Asked by Anisha Chaudhary · 5 years ago
Which of the following weighs most? (1) 50g of iron (2) 5g atoms of nitrogen (3) 0.1 g atoms of silver (4) 1×10^23 atoms of carbon
4 Answers
First find the moles n then compare
Ketaki Karadkhelkar · 5 years ago
Hint :- gm atom = gm molecule = mole Find the mole in each case and then × the mole with the molecular mass and find the mass and then compare the masses . Ans. must be 2nd. 1-50g 2-5moles×28 =140 g 3-0.1mole×107= 10.7g 4- 1/6mole ×12=2g. 😉😉😉😉
Kanha Singh · 5 years ago
Tnxs 🤗
Anisha Chaudhary · 5 years ago
Most welcome ðŸ™
Kanha Singh · 5 years ago
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