charmhoward5925 charmhoward5925

20-01-2018
Chemistry

contestada

How much water should be added to 20 ml of 20% alcohol solution to reduce the concentration to 10%?

Respuesta :

mindi14 mindi14

01-02-2018

20 more ml using inverse ratio method
20 : 20%
x : 10%

(20 × 20) ÷ 10 =40
40 - 20= 20

Answer Link

Otras preguntas

In "Raymond's Run," which best describes how Squeaky views Gretchen after she runs into Gretchen, Mary Louise, and Rosie on the street? A. She sees Gretchen as

UESTION 32 What change did the U.S. economy experience in the years immediately after World War I? (3 points) an export-led boom centered on trade with Asia inc

What is the definition of "corduroy"? And use it in a sentence......thanks

Which of the following statements about narratives is true? A narrative describes events in sequence. A narrative has characters and setting but no conflict. A

how many solutions are there to the equations 5x+1=3x+7?

why didn't percy use one of the three pearls on his mom

please help me! (picture)

Which point is 7 units from (–2, 4)? A. (–5, 4) B. (–2, 3) C. (5, 4) D. (9, 4)

Which sentence uses negatives correctly? A. Never go out in the boat without no life jacket! B. They didn't tell me anything about the party. C. Don't you never

Which of these characteristics best describes a Communist economy? Company owners sell shares in their companies to the government. The concept of supply and de