1.

(1)4.8 x 1UThe weight of 1 x 10 molecules of cuso, sH,O is(1) 41.59 g(2)415.9 g(3) 4.159 g(4) of these

Answer»

Number of molecules = 1 x 10^22 moleculesMolecular mass of CuSO4.5H2O = 249.72g/molWe know that,1 mole of CuSO4.5H2O contains 6.023 x 10^23 moleculesTherefore,6.023 x 10^23 molecules have a mass of 249.72g

Hence,Weight of 1 × 10^22 molecules =

(249.72/6.023 ×10^23)× 1 × 10^22 = 4.146 g



Discussion

No Comment Found

Related InterviewSolutions