Question

calculate the no.of moles in 128 grams of oxygen

Answer 1

Answer:

8 moles

Explanation:

No. of moles = $\frac{Given Mass}{Molar Mass}$

Given mass of Oxygen = 128g

Molar mass of Oxygen = 16g/mol

No. of moles of Oxygen = $\frac{128}{16}$ = 8