Answer: 9 associate property 8 commutative property
Step-by-step explanation:
Four hundreds two tens and three ones
(16+5)4÷2=42
21×4÷2=42
84÷2=42
42=42
that is were to but you answer
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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 