Question

40.
At STP the weights of two litres of oxygen is:
(a) 32 gm
(b) 22.4gm
(c) 1.43 gm
6.02 x 1023 atoms of iron weigh:
(d) 2.66gm
41​

Answer 1

Answer:

STP, standard temperature 0 deg C and pressure 1 ATM. If so, under these conditions, 1 mole (16 g) would occupy 22.4 L. So, 2 L/22.4 L/mole * 16 g / mole = 1.428 g.

Explanation:

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