Answer:
a heterogeneous mixture is a mixture of two or more liquid substances that are immiscible that is they cannot mix
Answer:
D. Q does not depend on the concentration or partial pressures of reaction components
Answer:
TRY HARD!
Explanation:
DO UR WORK ANG GET IT DONE!
Answer:
pH = 4.57
Explanation:
pH = pKa + log ([OAc⁺]/[HOAc])
Ka(HOAc) 1.8 x 10⁻⁵ => pKa = -log(1.8 x 10⁻⁵) = 4.74
[OAc⁻] = 0.20M
[HOAc] = 0.30M
pH = 4.74 + log([0.20]/[0.30]) = 4.47 + (-0.17) = 4.57
