This is what a Stem and Leaf plot work. Do you know how to use it?
To get the decimal you have to divide the numerator by the denominator.
-19÷-50=-0.38
-19/50=-0.38
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 
Answer:
.
Step-by-step explanation:
The answer is 244 because you add 35 to 287 then subtract 78 and it equals 244