0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What value is ued to express the acidity or bacity of a solution called?
The acidity or basicity are expressed by pH (the negative logarithm of the activity of hydronium ion).
What ion is in high concentration in an acid and a base on the pH scale?
In an acid (pH <7) it should be the hydronium ion: H+ or H3O+ In a base (pH >7) it should be the hydroxide/hydroxil ion: OH-
What is the higher the hydronium ion concentration of a solution called higher or lower of pH?
lower
What is the symbol for hydronium?
Hydronium is the protonated water molecule: H3O+It is found in pure water formed by autoprotolysis, at concentration of 1.0*10-7 mol/L:H2O + H2O
Weak acid or base whose color depends on hydronium ion concentration?
pH indicator
Does a pH of 3.0 or a pH of 6.0 have a greater hydronium ion concentration?
A pH of 3.0 has a higher hydronium ion concentration.
What is the pH level of hydronium?
pH is defined by the concentration of Hydronium ions. There is no definite pH for the hydronium ion or any acid or base.
What is the symbol for hydronium ion?
AnswerWe use ph as the symbol to express hydronium ion concentration.
What do pH measures?
Concentration of hydrogen (or hydronium) ion.
How is numerical value of pH determined?
pH is minus of logarithm of concentration of hydronium ion
At a pH of 7 what is true a The hydroxide ion concentration equals the hydronium ion concentration b The concentration of the acid equal the concentration of the conjugate base?
The hydroxide ion concentration equals the hydronium ion concentration at a (neutral) pH of 7
What does the hydronium ion concentration measure for a substance?
The hydronium ion concentration measures how acidic a substance is. A high hydronium ion concentration means the substance is acidic. A low hydronium ion concentration means the substance is basic. You may be more familiar thinking of it as the pH scale. At pH = 7 [H3O]+ = 10-7 and [OH]- = 10-7
When the pH level of a solution changes from a pH of 5 to a pH of 3 the hydronium ion concentration is?
1
What is the pH of a solution with a hydronium ion concentrantion of 1 10-11 molar?
pH = 11.0
What is the formula of calculating pH?
pH = - log [H3O+]. It is the negative logarithm of the hydronium ion concentration.
What is the mathematical definition of pH?
pH is the negative log of the hydrogen ion (hydronium ion) concentration. It is - log [H+] or - log [H3O+]
What value is used to express the acidity or icity of a solution called?
The acidity and the basicity are expressed by pH (the negative logarithm of the hydronium ion activity).
