1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alecsey [184]
3 years ago
8

as 100 milliliters of 0.10 molar KOH is added to 100 milliliters of 0.10 molar HCL at 298 K, the pH of the res?A. decrease to 3B

. decrease to 4C. increase to 7D. increase to 13
Chemistry
1 answer:
Mila [183]3 years ago
8 0

Answer:

C. increase to 7.

Explanation:

Hello,

In this case, the undergoing chemical reaction is:

KOH+HCl\rightarrow KCl+H_2O

Thus, the molar relationship is 1 to 1, therefore, the moles are:

n_{HCl}=0.1mol/L*0.1L=0.01molHCl\\n_{KOH}=0.1mol/L*0.1L=0.01molKOH\\

Thus, since the entire hydrogen ions are neutralized, the pH C. increase to 7.

Best regards.

You might be interested in
When a white powder is added to a liquid in a beaker at room temperature, the beaker becomes too hot to touch. What kind of reac
Varvara68 [4.7K]
<span>C. an exothermic reaction
</span>
6 0
3 years ago
Read 2 more answers
22. A piece of wood board contains approximately 6.76 X 1023 molecules of wood, C2H4920, how
Licemer1 [7]

Answer:

<h2>1.23 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{6.76 \times  {10}^{23} }{6.02 \times  {10}^{23} }  =  \frac{6.76}{6.02}  \\  = 1.22923...

We have the final answer as

<h3>1.23 moles</h3>

Hope this helps you

5 0
3 years ago
What causes an increase in the reaction rate between molecules
Anestetic [448]
 molecules collide more frequently.

Chemical reaction mechanisms are based in the collision of molecules with certaing level of energy. More collisions implies grater probablity of reaction.
8 0
3 years ago
Read 2 more answers
17 POINTS!!! JUST DO A B C D PLS!!!! PLS DONT COMMENT IF YOU DONT KNOW IT ITS DUE BY TOMORROW AND I CANT KEEP WASTING POINTS PLS
dimulka [17.4K]

Answer:

A B C D E

Explanation:

7 0
3 years ago
How many grams of NaOH would be needed to make 0.50 L of a 1.25 molar NaOH solution
Likurg_2 [28]

The solution would be made by dissolving 4 grams NaOH in .5 Liters of H2O
3 0
3 years ago
Other questions:
  • Write a nuclear equation for the decay of Polonium 211
    9·1 answer
  • Among pattasium and calcium which is more reactive ,why​
    5·1 answer
  • Identify 10 different Element's that Exhibit Isotopy.?​
    7·1 answer
  • What do all electrolytes have in common?
    5·1 answer
  • How can chemistry enhance our view of the world?
    5·1 answer
  • in order to dilute 1.0L of a 6.00M solution of sodium hydroxide to 0.500M concentration, how much water (in mL) must you add?
    5·2 answers
  • Determine the mass in grams of 3.57 mol al
    12·1 answer
  • Gas
    11·1 answer
  • Identify the unit cell that has a = B = y = 90°.
    10·1 answer
  • What happens when you combine Bleach And Ammonia?<br> best answer will get brainly
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!