Table of Contents
- 1 What type of substance has an equal concentration of H+ and OH ions?
- 2 What substance is formed when mixing hydroxide ions and hydrogen ions?
- 3 Which solution has the highest concentration of H+ ions?
- 4 Which solution has the highest number of H+ ions?
- 5 Which is the correct name for hydronium ions?
- 6 Which is the formula for hydrogen and hydroxide?
What type of substance has an equal concentration of H+ and OH ions?
Neutral solutions have an equal number of H+ ions and OH- ions. Acidic solutions have a higher H+ concentration. An acid is a substance that releases H+ when dissolved in water. Basic solutions have a low H+ concentration.
What substance is formed when mixing hydroxide ions and hydrogen ions?
The hydroxyl ions (OH-) released will combine with any hydrogen ions (H+) in the solution to form water molecules (OH- + H+ = H2O), so we can also define a base as a substance that takes or accepts hydrogen ions (H+) already present in the solution.
What type of solution contains more hydrogen ions than hydroxide ions?
acidic solutions
In water and neutral solutions, the concentration of hydrogen ions is equal to the concentration of hydroxide ions. All acidic solutions contain more hydrogen ions than hydroxide ions. All alkaline solutions contain more hydroxide ions than hydrogen ions.
What is the pH term where hydrogen and hydroxide ions are equal?
7.38 pH Value or Hydrogen Ion In very general terms a solution is said to be neutral when the numbers of hydrogen ions and hydroxyl ions are equal, each corresponding to an approximate concentration of 10−7 moles/l.
Which solution has the highest concentration of H+ ions?
acidic solution
An acidic solution has a high concentration of hydrogen ions (H +start superscript, plus, end superscript), greater than that of pure water.
Which solution has the highest number of H+ ions?
An acidic solution has a high concentration of hydrogen ions (H +start superscript, plus, end superscript), greater than that of pure water.
Which solution has lowest concentration of H+ ions?
A solution of (d) pure water will have the lowest concentration of hydrogen ions.
Why are there more hydrogen ions than hydroxide ions?
Now there are more hydrogen ions than hydroxide ions in the solution. This kind of solution is acidic. Because the base “soaks up” hydrogen ions, the result is a solution with more hydroxide ions than hydrogen ions.
Which is the correct name for hydronium ions?
For simplicity, hydronium ions are referred to as hydrogen ions H +. In pure water, there are an equal number of hydrogen ions and hydroxide ions. The solution is neither acidic or basic.
Which is the formula for hydrogen and hydroxide?
In both cases three water molecules appear to be rather tightly held, giving formulas H 3 O (H 2 O) 3+ (or H 9 O 4+) and HO (H 2 O) 3– (or H 7 O 4– ). Possible structures for the hydrated hydronium and hydroxide ions are shown in Figure 11.5.
What kind of ions are found in pure water?
The “lost” hydrogen ions join up with water molecules to form hydronium ions (H3O+). For simplicity, hydronium ions are referred to as hydrogen ions H+. In pure water, there are an equal number of hydrogen ions and hydroxide ions. The solution is neither acidic or basic.