The Lab Technician Anna Lytic Adds 2

Multiple Choice

The lab technician Anna Lytic adds 2.20 mol KOH to 1.00 L of 0.5 M Al(NO₃) ₃. What is the concentration of aluminum ions after the aluminum nitrate has reacted with the potassium hydroxide? K_f = 3.0 × 10³³ for Al(OH) ₄⁻

A) 1.8 × 10 ⁻⁷ M
B) 9.1 × 10 ⁻¹⁸ M
C) 1.0 × 10 ⁻³¹ M
D) 3.3 × 10 ⁻³⁴ M
E) 7.1 × 10 ⁻³⁶ M