jessies5070 jessies5070
  • 02-10-2021
  • Mathematics
contestada

How much water should be added to 10 mL of 14% alcohol solution to reduce the concentration to 5%?

We should add___mL.

Respuesta :

Luma2077 Luma2077
  • 02-10-2021

Answer:

X = 2 mL

Step-by-step explanation:

Let's do it  

 

X = the amount of water added to the solution (in mL)

 

.06(10) = .05(10 + X)

.6 = .5 + .05X

.1 = .05X

2 = X

 

X = 2 mL

Answer Link
liviegoat
liviegoat liviegoat
  • 02-10-2021
Answer is 9.81



I did my best sorry
Answer Link

Otras preguntas

If y=2 when x=3. What is the value of y when x=9?
The function f(t) = −5t 2 + 20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit
Which physical feature has most limited the movement of people living in North America ?
The data represent the ages of people working at a store. 19, 27, 20, 26, 20, 24, 32, 23, 20, 19, 21 What is the first quartile of these ages?
if the score is 90% and the total is 70 what is the number correct ?
If y=2 when x=3. What is the value of y when x=9?
Which one of the following is smallest in size ?N3-               O2-               F-                Na
If y=2 when x=3. What is the value of y when x=9?
Does an Off-Duty Police Officer have Authority in US?
Select the simplified expression for 8(x - 4) - 4(x - 3) + 7x. 11x + 4411x - 711x - 4411x - 20