You can either use an ice table or the Henderson-Hasselbalch equation. I would use the Henderson-Hasselbalch equation since that is the easiest method to use in my opinion. The Henderson-Hasselbalch equation is pH=pKa+log([A⁻]/[HA]).
pKa=-log(Ka) (which equals 1.77 in this question)
[A⁻]=concentration of conjugate base (0.386M in this question)
[HA]=concentration of acid (0.451M in this question)
When you plug everything in you should get a pH of 1.697.
I hope this helps. Let me know if anything is unclear or you want me to explain anything in more detail.
a. P=0.971 atm=737.6 mmHg
b. n=2.88 x 10⁻³
<h3>Further explanation
</h3>
Dalton's law of partial pressures states that the total pressure of a mixture of gases is equal to the sum of the partial pressures of the component gases
A. vapor pressure of water at 22.5 = 20.4 mmHg
Pt=P H₂ + P H₂O
758 = P H₂ + 20.4
P H₂=737.6 mmHg=0.971 atm
B.Ideal gas Law = PV=nRT
P = 0.971 atm
V = 72 ml = 0.072 L
R = 0.082 L/atm mol
T = 22.5 + 273.15 =295.65
Because Mitosis is used for growth and repair
Sensory nerves gather information of the environment and send it to the brain, and motor nerves tell muscles to contract, thereby making you move.
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