There are a couple of ways in which you can express the concentration of a solution, and here they are: gram per liter (g/L), molarity (M), parts per million (ppm.), and percents (%).
As you can see, only M appears in your answers, which means that the correct option should be (2) 3.5 M.
Answer:
neutral pH or neutral solution
Explanation:
when hydrogen ion concentration and hydroxide ion concentration the pH is neutral i.e. ph=pOH=7
they are made by of two types of elementary particles
electrons and quarks
quetion answered by
(jacemorris04)
Atomic number = 18 (Number of protons)
Mass number = 18 + 20 (Number of protons + neutrons)
