Question

guys please help me please tell me the right answer please help me​

Answer 1

Answer:

a) Atomic mass of Iron = 55.8 u Moles of Iron = Mass of Iron / Atomic Mass = 7.85 / 55.8 = 0.141 molRead more on Sarthaks.com - https://www.sarthaks.com/64177/calculate-the-number-of-moles-in-7-85-g-of-iron-atomic-mass-of-fe-55-8u

b)No. of moles = given mass / molar mass = 0.0079/ 40 = 0.0001975 moles.

Answer 2

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