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
Natalija [7]
3 years ago
15

Casey is completing an experiment that requires 300 mL of potassium chloride (KCl) at a concentration of 0.2 M. But Casey's lab

only stores potassium chloride at concentrations of 0.1 M and 0.5 M. How much 0.1 M KCl will Casey have to mix with 0.5 M KCl to make 300 mL of 0.2 M KCl?
Mathematics
1 answer:
gulaghasi [49]3 years ago
3 0
What you first need to do is make an equation. Then plug that equation into photomath and you get your answer


You might be interested in
Correct or incorrect?
Rama09 [41]
It think is is correct.
8 0
3 years ago
8+(14+6) FIND EASIER EXPLAIN WHY
alexandr1967 [171]

Hi there and welcome to Brainly!


The answer to 8+(14+6) = 28. The reason for this is you add what is in parenthesis first then you add the number outside of the parenthesis. This follows the PEMDAS rule which is called the order of operations. PEMDAS is an acronym which stands for Parenthesis, Exponents, Multiplication/Division, and Addition/Subtraction, this is the order you should follow when solving any problem.


If you have anymore questions please feel free to ask them.

Your friend, ASIAX

8 0
4 years ago
Is it a function and what is the Domain and the Range
Schach [20]

Answer:

a-is a function

the domain is:[-3,1]

the range is :[-4,0]

b- is not a function

7 0
3 years ago
Read 2 more answers
The diameter of the moon is about 3500 km. Approximate the surface area of the moon using the formula for the surface area of a
horrorfan [7]

Answer:

3.8465 *10^7 square kilometers

Step-by-step explanation:

The surface area of a sphere can be found using the formula SA=4\pi r^2. Since the diameter is 3500 km then its radius is half of this. 3500 divided in two is 1,750 units. Substitute r=1,750.

SA=4\pi r^2\\SA = 4 \pi (1750)^2\\SA = 4 \pi *3,062,500\\SA =38,465,000

The surface area of the moon is about 38,465,000 square kilometers. Write this is scientific notation using base. 3.8465 *10^7

5 0
3 years ago
An article included a summary of findings regarding the use of SAT I scores, SAT II scores, and high school grade point average
Harrizon [31]

Answer:

0.156

Step-by-step explanation:

Given that :

% of Explained variance by certain predictors of first year college grade :

SAT 11 scores = 17%

GPA = 15.6%

SAT 1 = 13.3%

Fitting a least squares line :

y = First year college GPA

x = high school GPA

THE r² value which is Coefficient of determination is the percentage of explained variance given by the regression line. The r² value of GPA will the as given above 15.6%

r² = 15.6% = 15.6/100 = 0.156

4 0
3 years ago
Other questions:
  • What is 90 feet per hour converted into yards per day
    5·2 answers
  • Julie spends$5.62 at the store. michael apends 5 times as much as julie. jeremy spends $6.72 more than michal. how much does eac
    9·2 answers
  • <img src="https://tex.z-dn.net/?f=%2012%20-%20x%20%3D%2082%20%5C%5C%20%20%20%5C%5C%20find%20%5C%3A%20x" id="TexFormula1" title="
    13·2 answers
  • Ginny has 3 pink tops 4 blue tops and 7 black tops. She has 5 black pants 4pairs of blue jeans and 2 pair of red pants. How many
    7·1 answer
  • Write an expression showing a ÷ b without the use of the division symbol.
    6·2 answers
  • The starting temperature was 24°.
    7·1 answer
  • Pedro and Carmela are cleaning their kitchen. It takes Pedro 3 hours to clean the kitchen by himself, while Carmela can clean th
    8·1 answer
  • \cos (x-10\deg )=(\sqrt(3))/(2)
    13·1 answer
  • 11. Sara borrowed *60,000 from a money lender at 15% rate of interest per annum. What is
    13·1 answer
  • I REALLY NEED HELP PLEASEE!!!
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!