Latoya performs an experiment using the lab equipment shown. Which two properties is Latoya most likely measuring?
2 answers:
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<u>Given information:</u>
A solution with a high H+ ion concentration
<u>To determine:</u>
The nature of pH of such a solution
<u>Explanation:</u>
pH is a measure of the H+ ion concentration in a given solution. Lower the pH higher will be the H+ concentration and the solution is termed acidic. In contrast, if the pH is higher the H+ concentration will be lower and the solution is basic.
Mathematically,
pH = -log[H+]
[H+] =
pH = 2; [H+] = 10⁻²M
pH = 7; [H+] = 10⁻⁷M
pH = 13; [H+] = 10⁻¹³M
pH = 14; [H+] = 10⁻¹⁴M
Ans: (a)
Thus, the highest concentration of H+ ions is for a solution of pH = 2
<h3>Answer:</h3>
<u>Chemistry</u>
<u>Aqueous Solutions</u>
- States of matter
<u>Kinetics</u>
- Rate Laws
<u>Equilibrium</u>
- Equilibrium Reactions RxN ⇄
- Equilibrium Constants
- Equilibrium Expression:
*Note: Only gases and liquids affect equilibrium
<u>Step 1: Define</u>
[RxN - Balanced] 2H₂O (g) ⇄ 2H₂ (g) + O₂ (g)
<u>Step 2: Identify</u>
[Reactant] H₂O
- Coefficient of 2
[Product] H₂
- Coefficient of 2
[Product] O₂
- Coefficient of 1
<u>Step 3: Write K Expression</u>
- Substitute: