Answer:
KO
Explanation:
Assuming those are weight percentages, we first convert to moles.
83 g K * (1 mol / 39 g) ≈ 2.128 mol K
17 g O * (1 mol / 8 g) ≈ 2.125 mol K
Normalize by dividing by the smallest:
2.128 / 2.125 ≈ 1.00
2.125 / 2.125 = 1.00
So the empirical formula is:
KO
