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Cerrena [4.2K]
2 years ago
14

What is the ph of a solution made by mixing 30.00 ml of 0.10 m acetic acid with 50.00 ml of 0.100 m koh? assume that the volumes

of the solutions are additive. k a = 1.8 × 10-5 for ch3co2h.
SAT
1 answer:
morpeh [17]2 years ago
5 0

Given 30.00 ml of 0.10 m acetic acid and 50.00 ml of 0.100 m koh, the pH of the solution is 12.40

<h3>What is the pH of a substance?</h3>

This is the measure of the acidity or the basicity of an aqueous or liquidsolution.

The details that are contained in this question are:

Mole of CH3COOH = 0.1 M

Volume of CH3COOH  = 30 mL

Mole of KOH = 0.1 M

Volume of KOH = 50 mL

mol of (CH3COOH) = 0.1 Mole * 30 mL = 3 mol

mol of (KOH) = 0.1 Mole * 50 mL = 5 mol

From the solution above,

mol of CH3COOH = 3 mol

mol of KOH = 5 mol

3 mol of both substances is going to react

excess KOH remaining = 5 - 3 =  2 mmol

Volume of both Solutions

= 30 + 50 = 80 mL

OH⁻ = 2/80

= 0.025 M

use:

pOH = -log [OH-]

= -log (0.025)

pOH = 1.602

PH = 14 - pOH

= 14 - 1.60

= 12.40

The calculated pH is therefore 12.40

Read more on pH here: brainly.com/question/22390063

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According to the question, we are to discuss the poem beowulf and the line that describes this poem.

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What is the entropy change for the freezing process of 1 mole of liquid methanol at its freezing temperature (–97. 6˚c) and 1 at
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PHYSICAL SECURITY
Kitty [74]

We can see that within a secure area, you see an individual who you do not know and is not wearing a visible badge. This is a potential security breach that could compromise the safety and integrity of the secure area and its assets.

<h3>What is physical security?</h3>

Physical security is the protection of personnel, hardware, software, networks, and data from physical actions and events that could cause serious loss or damage to an organization, agency, or institution. This includes protection from fire, flood, natural disasters, burglary, theft, vandalism, and terrorism.

Within a secure area, you see an individual who you do not know and is not wearing a visible badge. This is a potential security breach that could compromise the safety and integrity of the secure area and its assets. Thus, the follows measures should be taken to address the situation stated above:

1. Approach the individual in a polite and professional manner and ask for their name, purpose, and authorization to be in the secure area. If they have a valid badge, ask them to display it visibly. If they do not have a badge, ask them to accompany you to the nearest security checkpoint or office.

2. If the individual refuses to cooperate, becomes hostile, or tries to evade you, do not attempt to physically restrain or confront them. Instead, alert the security personnel or supervisor immediately and provide a description of the individual and their location. Keep a safe distance and observe the individual until security arrives.

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4. If the individual is authorized to be in the secure area but does not have a badge, escort them to the security office or checkpoint and request a temporary or replacement badge. Explain the importance of wearing a badge at all times and the consequences of violating the security policy.

5. If the individual is not authorized to be in the secure area, detain them in the security office or checkpoint and notify the security personnel or supervisor. Follow the security procedures and protocols for handling unauthorized intruders or trespassers. Report the incident and provide any relevant information or evidence to the security personnel or supervisor.

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