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
Reil [10]
3 years ago
10

After standardizing a NaOH solution, you use it to titrate an HCl solution known to have a concentration of 0.203 M. You perform

five titrations and obtain the following results: 0.210, 0.204, 0.201, 0.202, and 0.197 M. a) What is the mean
Chemistry
1 answer:
jek_recluse [69]3 years ago
8 0

Answer:

0.203 is the mean of the concentration of the HCl solution

Explanation:

You have 5 concentrations. The most appropiate result is the mean of those results. The mean is a statistical defined as the sum of each result divided by the total amount of results. For the results of the problem, the mean is:

0.210 + 0.204 + 0.201 + 0.202 + 0.197 = 1.014 / 5 =

<h3>0.203 is the mean of the concentration of the HCl solution</h3>
You might be interested in
I need help with these quickkk WILL GIVE BRAINLIEST PLS
DerKrebs [107]

Answer: number 2

Explanation:

8 0
3 years ago
Which chemical reaction is a single replacement reaction? A. Ba(ClO3)2 —&gt; BaCl2 + 3O2 B. 2Mg + O2 —&gt; 2MgO C. Zn + CuCl2 —&
professor190 [17]
I believe the correct answer is C. <span>Zn + CuCl2 —> ZnCl2 + Cu</span>
8 0
3 years ago
What do the little numbers (subscripts) next to the lower right of each letter mean in the C₂H₄O₂?
nata0808 [166]

Answer:

It represents the <em>number of atoms</em> of that particular element present in the compound. In C₂H₄O₂ there are 2 Carbon atoms, 4 Hydrogen atoms and 2 Oxygen atoms.

3 0
2 years ago
How do you know if flammability is a chemical property
snow_lady [41]
When a fuel burns, it combines with oxygen int the air and changes into the substances water and carbon dioxide. That's how Flammability is a chemical property.
5 0
3 years ago
Read 2 more answers
What are 5 reasons to be grateful of your teachers for?
4vir4ik [10]

Answer:

5 reasons to be grateful of your teachers for is

-->They open our minds to new possibilities. ...

-->They work very hard for us. ...

-->They never give up on us. ...

-->They turn our weaknesses into strengths. ...

-->They are our best guides. ...

7 0
3 years ago
Read 2 more answers
Other questions:
  • What is the [pb2+] in a solution made by adding 100 g of pbcl2(s) (mm = 278.1 g/mol) to a 5.4 m solution of nacl and allowing it
    5·1 answer
  • What term refers to rows of elements
    9·2 answers
  • Which one is a true statement about endothermic reactions? A. I need you from an outside source is continuously being added. B.
    8·2 answers
  • 4. Write a chemical formula for a compound that has two atoms of oxygen (0) and
    13·1 answer
  • Matter that has a uniform and defined composition is called a<br>​
    12·1 answer
  • HELP ASAP
    5·1 answer
  • BRAINLIESTTT ASAP!! PLEASE HELP ME :)
    14·2 answers
  • What is the gram formula of na2co3
    9·1 answer
  • Question 8 (3 points) What is the formula for Silver (III) sulfide? O Ag2(SO4)3 O Ag3(SO4)2 Ag3S2 Ag2S3​
    11·1 answer
  • If one of the waste products of cellular respiration is CO2 by means of exhaling, then do you think the rate of cellular respira
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!