1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Scilla [17]
3 years ago
15

The equation for the pH of a substance is pH = –log[H+], where H+ is the concentration of hydrogen ions. Which equation models t

he concentration of hydrogen ions (H+) of a solution whose pH is 7.2?
Mathematics
1 answer:
Zanzabum3 years ago
8 0

Answer:  [H+] = 10^-7.2

Step-by-step explanation:

Given that the PH of the solution = 7.2

Using the formula pH = –log[H+]. To get the H+ concentration from the pH, raise both sides by the base of 10. Then we have

10^ -pH = H+. with pH of 7.2,

Thus the answer to this problem is

[H+] = 10^-7.2

You might be interested in
Geometry; building blocks
notka56 [123]

Answer:

128 degrees because it is a suplimentary angle which adds up to be 180...so you subtract 180-52 and you get 128

7 0
2 years ago
a weather forecast predicts a 30% chance of rain for each of the next three days. describe a way to simulate the chance that it
topjm [15]

Answer:

Draw a pie chart looking wheel with 30% and 70% and spin the wheel three times and see what it lands on each time

Step-by-step explanation:

5 0
3 years ago
HELP QUICK PLS WILL GIVE BRAINLIEST
alexandr1967 [171]

Answer:

0.08(50h)

Step-by-step explanation:

0.08(50h)+50h=

8/100(50h)+50h=

0.08(50h)+50h

It's 0.08 of 50h, so

0.08(50h)

4 0
2 years ago
If 45 cookies will serve 15 students,how many cookies are needed for 30 students?
blondinia [14]
Simply multiply 45 by 2 and you get your answer which is 90 cookies
3 0
3 years ago
Find the volume of a cube with a side that measures 0.01 cm. (Hint: V = s ³).​
prohojiy [21]

Answer: V=\frac{1}{1000000} cm^3

Step-by-step explanation:

V = s³

V = (0.01)³

V=(1/100)³

V=\frac{1}{1000000} cm^3

4 0
1 year ago
Read 2 more answers
Other questions:
  • What is the slope of the line passing though the points (2,1) and (1,-4)
    9·1 answer
  • . How many square feet of grass are there on a trapezoidal field with a height of 75 ft and bases of 125 ft and 81 ft?
    14·1 answer
  • Graph the function on the coordinate plane.Type equation here.
    5·1 answer
  • During a sale, a store offered a 15% discount on a TV that originally sold for $420. After the sale, the discounted price of the
    13·1 answer
  • 216 diving students to 12 instructors
    7·1 answer
  • A grocery store owner asked the first 20 children who visited the store one day about their favorite snack. This is what type of
    15·1 answer
  • PLEASSSE HELLPP
    5·1 answer
  • Solve the following problem.<br><br> 9/5−4/3=
    7·1 answer
  • I NEED HELP WITH JUST 2 QUESTIONS PLEASE!!!! oops sry
    9·2 answers
  • What is the value of 8b - 3c when b = 3 and c = 4? ​
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!