Question

45. What is the mass of 5 moles of Oxygen atoms? (Atomic mass of Oxygen = 16 u) 2M

Answer 1

5 moles of oxygen contains 180 grams of oxygen.

Explanation:

As we know

Mole = given mass / atomic mass

Given

5 = given mass / 16

Or

5×16 = given mass

Or

Given mass of oxygen = 180 grams

S0,

:- 5 moles of oxygen contains 180 grams of oxygen.

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