67 ÷ 10 x 4 = 26.8 hours for her to eat 67 cookies
Answer:
Lol 2 anyways have a great day :)
Step-by-step explanation:
Yes. You can find that out by multiplying .1 by 274. It equals 27.4.
Answer:
The concentration of hydrogen ions in moles per liter (M) is 
Step-by-step explanation:
As we know
The hydrogen ion concentration of any solution at pH is given by

Substituting the given values in above equation, we get -
mol/l
The concentration of hydrogen ions in moles per liter (M) is 