Question

5gm of co at 0°c and 760mm pressure contains how many molecules

Answer 1

Explanation:

molecular mass of co = 12 + 16 =28

moles of co = 5/28

moles of co = no. of molecules / 6.022 × 10^23

let no. of molecules be x

5/28=x/ 6.022×10^23

x = 5 × 6.022 × 10^23/28 = 1.07 × 10^23(APPROX)

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