Question

Calculate number of moles and molecules in 1.7 gm nh3

Answer 1

Answer:

given mass of NH3(ammonia) = 1.7 gm

molar mass of NH3(ammonia) = 17g/mol

No . of moles= 1.7/17=0.1 mol

No. of molecules = 0.1X6.022X10^23

= 6. 022X10^22 molecules

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