nickleoncio0705 nickleoncio0705
  • 16-01-2018
  • Mathematics
contestada

How much water should be added to 10 mL of 8​% alcohol solution to reduce the concentration to 5​%?

We should add ___ mL.

Respuesta :

748190877
748190877 748190877
  • 16-01-2018
my answer is 6ml, we can assume that we added in Xml water, and the alcohol is unchanged, so we can get the equation: 0.8/(10+X)=5%, than we can get the X=6ml.
Answer Link

Otras preguntas

the selling price of an article is 20% less than its marked price and the marked price is 30% above the cost price. find the profit percent.​
Why don't you learn a good deal about grammar in school?
Trong phần mềm dự toán ETA, Chi phí xây dựng được thể hiện ở Thẻ/Tab giao diện nào?
complete the square to find the vertex of the parabola.
What is the length of BC? Select the best answer from the choices provided. A.4 B.4v2 C.8v2 D.16
QUESTION ONE You have been hired as a consultant to Freedom Inc. a consumer-focused financial institution intending to enter the Ghanaian market. Critically an
The diameter of a table tennis ball is millimeters. What is the approximate surface area of a table tennis ball?
What is the answer to -x-(-10x) work
i need help with atleast 2 of these questions pls
why the study biology ​