subject
Mathematics, 16.04.2021 14:00 angellynn50

Scientists know that pure Water is neutral and has a pH of 7. Acids have a pH lower than 7 and bases have a pH higher than 7. To find the pH level of a liquid scientists use the equation pH = -log(H+) where H is the hydrogen ion concentration in moles per
Liter
What is the hydrogen ion concentration of an base solution with a pH of 9?
A)
-10° moles per liter
B)
-10-9 moles per liter
10-moles per liter
D)
109 moles per liter

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
Working on itts i’m going to need you to me as i go along 1-5
Answers: 1
question
Mathematics, 21.06.2019 14:30
All per-unit concepts rely on ratios,meaning,to provide a type of measurement
Answers: 3
question
Mathematics, 21.06.2019 14:50
Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift
Answers: 2
question
Mathematics, 21.06.2019 16:20
The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.
Answers: 3
You know the right answer?
Scientists know that pure Water is neutral and has a pH of 7. Acids have a pH lower than 7 and bases...
Questions
question
Mathematics, 24.05.2021 18:00
question
Mathematics, 24.05.2021 18:00
question
Mathematics, 24.05.2021 18:00
question
Mathematics, 24.05.2021 18:00
question
Arts, 24.05.2021 18:00
question
English, 24.05.2021 18:00
Questions on the website: 13722362