3 years ago

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

1 answer:

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

timofeeve [1]

Step-by-step explanation:

The correct answer is 5i $\sqrt{3}$

3 0

2 years ago

8090 [49]

Answer:

18-20=-2

Step-by-step explanation:

18-20=-2

18+(-20)=-2

5 0

3 years ago

liubo4ka [24]

The answer is 1.3125

6 0

3 years ago

IceJOKER [234]

Answer:

113.04 cm squared

Step-by-step explanation:

the area of a circle is:

A=πr2

so as you written before the pi must be 3.14

and the radius is the diameter/2(12/2=6)

A= 3.14 x 6 x 6

A= 113.04 cm squared

3 0

3 years ago

lidiya [134]

I think bc of the last comment it should be = no solutions or Ø

6 0

3 years ago