What is the pH of a 0.28 M solution of potassium generate (KR-COO)?

What is the pH of a 0.28 M solution of potassium generate (KR-COO)? Ka for the generic acid (R-COOH) is 2.7 × 10^−8.1. 7.0002. 10.8783. 10.6384. 10.3585. 7.5696. 10.2687. 10.5088. 6.4319. 3.36210. 3.492

What is the pH of a 0.28 M solution of potassium generate (KR-COO)? Ka for the genericacid (R-COOH) is 2.7 × 10^−81. 7.0002. 10.8783. 10.6384. 10.3585. 7.5696. 10.2687. 10.5088. 6.431…