Question

The mass of oxygen contained in 1 kg of potassium nitrate (KNO2) will be-
(A) 478.5 g
(B) 485.5 g
(C) 475.2 g
(D) 488.2 g​

Answer 1

Answer:

kindly mark my answer as brainliest

Explanation:

here there is no correct option but the correct answer is 470.5 g

Answer 2

Answer:

option c is the write answer.