Can someone help me please

192 minutes

Step-by-step explanation:

if 100% is 8 hours

50% is 4 hours

75% is 2 hour

then 60% = 60/12.5 = 4.8 hours left

8-4.8 = 3.2 hours there

3.2x 60 = 192 minutes

answer:

the position of equilibrium will shift to the left.

step-by-step explanation:

the general equation for the dissociation of a weak base is

b + h₂o   ⇌   bh⁺ + oh⁻

according to le châtelier's principle, when a stress is applied to a system at equilibrium, the system will respond in a way that tends to relieve the stress.

if you apply a stress by adding more bh⁺ or oh⁻,   the system will respond by moving in a direction that gets rid of the added ions.

the position of equilibrium will shift to the left, forming more of the undissociated base.