Question

the molecular mass of ammonia is (NH3) is 17
a) Find the mass of 1GMM NH3
b) how many moles of molecules are there in 170g NH3​

Answer 1

Answer:

since Gram molecular mass is defined as mass of one mole of molecule. hence 1GMM of NH3 = 17gm

no. of moles of NH3 = 170/17 = 10 moles

Explanation:

number of moles= given weight/molecular weight