Question

Age (in years) 10 - 20
20 - 30 30 - 40
40 - 50 50 - 60 60 - 70 70 - 80
No. of patients
3
8
20 26 16 12
6
Draw a frequency polygon (on a sheet of graph paper) to represent the above data.​

Answer 1

Answer:

Usually one wants to keep track of the amount of the solute dissolved in the solution. We call this the concentrations. ... Molarity (M) is defined as the number of moles of solute (n) divided by the volume (V) of the solution in liters.