Patrick B. answered 09/30/20
Tutor
4.7
(31)
Math and computer tutor/teacher
0.09*10 = 0.05(x+10)
0.9 = 0.05x + 0.5
0.4 = 0.05x
40 = 5x
x=8
Sadie C.
asked 09/30/20How much water should be added to 10mL of 9% alcohol solution to reduce the concentration to 5%?
Patrick B. answered 09/30/20
Math and computer tutor/teacher
0.09*10 = 0.05(x+10)
0.9 = 0.05x + 0.5
0.4 = 0.05x
40 = 5x
x=8
Get a free answer to a quick problem.
Most questions answered within 4 hours.
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.