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iris [78.8K]
3 years ago
14

How would the addition of protons affect the concentration of CH3COOH? How would the addition of OH– affect the amount of CH3COO

H present? How would the addition of CH3COO– affect the concentration of protons? What would happen to [H+] if [CH3COOH] were increased?
Chemistry
2 answers:
Deffense [45]3 years ago
8 0

Answer:

1) increase concentration

2) decrease the amount

3) decrease the concentration

4) it would increase

Explanation: edge 2021

fiasKO [112]3 years ago
7 0

Answer:

1) increase concentration

2) decrease the amount

3) decrease the concentration

4) it would increase

Explanation:

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How many moles of CaCl2 are contained in 0.448 L of a 0.85 M CaCl2 solution?
kati45 [8]

Answer:

0.3808

Explanation:

number of moles,n=Conc.XVol.

hence 0.85X0.448

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3 years ago
What dose the saying Stars must die for others to be born mean
Orlov [11]

Answer:

-> there isnt an exact answer

Explanation:

stars have a cycle of life, like humans and other organisms. when they are dying they may get hotter or bigger. they will become red giants, and may explode.. kinds like the big bang theory. it will leave a small white dwarf star behind, about the size of earth, and it is super hot. the stars contain dark matter which will be spewed into the galaxy planting a path for future stars

I reccomend searching google for an exact answer

3 0
2 years ago
"an acid is a substance that forms hydrogen ions when dissolved in water." this is an example of —
LenaWriter [7]

Answer is: this is an example of an Arrhenius acid.

An Arrhenius acid is a substance that dissociates in water to form hydrogen ions or protons (H⁺). 

For example hydrochloric acid: HCl(aq) → H⁺(aq) + Cl⁻(aq).

An Arrhenius base is a substance that dissociates in water to form hydroxide ions (OH⁻<span>). 
In this example lithium hydroxide is an Arrhenius base:</span>

LiOH(aq) → Li⁺(aq) + OH⁻(aq).


5 0
3 years ago
Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. Precision pertains
Eduardwww [97]
D.) closeness of a measurement to an accepted value
That is accuracy not precision.
6 0
3 years ago
Read 2 more answers
A chemist must prepare of sodium hydroxide solution with a pH of at . He will do this in three steps: Fill a volumetric flask ab
77julia77 [94]

Answer:

0.0400 g for the example given below.

Explanation:

pH value is not provided, so we'll solve this problem in a general case and then we will use an example to justify it.

  • By definition, pH = -log[H_3O^+].
  • NaOH is a strong base, as it's a hydroxide formed with a group 1A metal, so it dissociates fully in water by the equation: NaOH (aq)\rightarrow Na^+ (aq) + OH^- (aq).
  • From the equation above, using stoichiometry we can tell that the molarity of hydroxide is equal to the molarity of NaOH: [NaOH] = [OH^-].
  • Concentration of hydroxide is then equal to the ratio of moles of NaOH and the volume of the given solution. Moles themselves are equal to mass over molar mass, so we obtain: [OH^-] = [NaOH] = \frac{n_{NaOH}}{V} = \frac{m_{NaOH}}{M_{NaOH}V}.
  • We also know that pOH = 14.00 - pH = -log[NaOH]. Take the antilog of both sides: 10^{-pOH} = 10^{pH - 14.00} = [NaOH] = \frac{m_{NaOH}}{M_{NaOH}V}.
  • Solve for the mass of NaOH: m_{NaOH} = 10^{pH - 14.00}\cdot M_{NaOH}\cdot V.

Now, let's say that pH is given as 12.00 and we use a 100-ml volumetric flask. Then we would obtain:

m_{NaOH} = 10^{12.00 - 14.00}\cdot 39.997 g/mol\cdot 0.100 L = 0.0400 g

7 0
3 years ago
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