Question

6.
Which of the following possess highest mass?
(1) 0.2 mol of Co, gas
(2) 2.24 L So, gas at STP
(3) 3.01 x 1023 molecules of water
(4) 20 g calcium​

Answer 1

Answer:

option d is correct,, reason if we multiple the no of moles of 20g ca with its molar mass then we get greater mass