3 years ago

What is the final concentration if a saline solution consisting of 20% NaCl is diluted using a 1/4 solution?

Mathematics

1 answer:

vodomira [7]3 years ago

6 0

Answer: C.V=C1.V1 +C2.V2

Step-by-step explanation: C=(C1V1 + C2V2)/V -> C=(20%.V+25%V)/2V-> C=22,5%

You might be interested in

I am faceing north west. if i turn 180 clockwise i will be facing what

DIA [1.3K]

Answer:

south

Step-by-step explanation:

it’s half way turn because 180 is half of one 360 and north is right across from south:)

8 0

2 years ago

Read 2 more answers

Which triangle similarity postulate can be used to justify that triangle XYZ is similar to triangle ABC?

Serga [27]

Answer:

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

What are the x- and y-intercepts for the graph of 5x – 2y = 20?

Elza [17]

Answer:

x-intercept = 4

y-intercept = −10

Step-by-step explanation:

x-intercept: Plug 0 in for $y$ to get this:

$5x = 20 \\ \\ 4 = x$

y-intercept: Plug 0 in for $x$ to get this:

$-2y = 20 \\ \\ -10 = y$

I am joyous to assist you anytime.

3 0

3 years ago

Read 2 more answers

I Need help now!!!!

Kisachek [45]

Answer:

The answer is B.x2/4y3n hope it helps

6 0

2 years ago

What is the product of the sum of eight and two and the difference between eight and two? Show all work.

meriva

<h2>Answer:</h2><h3>=60</h3><h2>Step-by-step explanation:</h2><h3>=Solution:</h3><h3> (8+2) × (8-2)</h3><h3> =10×6</h3><h3> =60#</h3>

3 0

2 years ago