Question

Which of the following contain maximum number of molecules ?
(a)gas having pressure 1 atm at 0ºC and 6720 L volume.
(b)180 g water
(c) 1000 cm3 of X2(s) (Density of X2 = 5.08 g/cm3 , Molar mass of X = 63.5 g/mol)
(d)320 mol of CH4​

Answer 1

Answer:

(b) is the answer

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Answer 2

Answer:

the correct answer is C

let us take option by option to justify our answer

in option a) when we apply PV=nRT we get n(moles) = 2.96

in b) no of moles of water are 10

in c) no of moles of x2 are 80

in d) mno of mole of ch4 are 20

so the correct option is beacause no of are maximum in c and no of moles are directly proportional to no of molecules