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What is the formula for calculating the concentration of hydrogen ions in a solu

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Question: What is the formula for calculating the concentration of hydrogen ions in a solution with a pH of 5?

Options:

  1. 1 x 10^-5 M
  2. 1 x 10^-7 M
  3. 1 x 10^-9 M
  4. 1 x 10^-3 M

Correct Answer: 1 x 10^-5 M

Solution: 

The concentration of hydrogen ions is calculated as [H+] = 10^-pH = 10^-5 M.

What is the formula for calculating the concentration of hydrogen ions in a solu

Practice Questions

Q1
What is the formula for calculating the concentration of hydrogen ions in a solution with a pH of 5?
  1. 1 x 10^-5 M
  2. 1 x 10^-7 M
  3. 1 x 10^-9 M
  4. 1 x 10^-3 M

Questions & Step-by-Step Solutions

What is the formula for calculating the concentration of hydrogen ions in a solution with a pH of 5?
  • Step 1: Understand that pH is a measure of how acidic or basic a solution is.
  • Step 2: Know that the formula to find the concentration of hydrogen ions [H+] is [H+] = 10^-pH.
  • Step 3: Substitute the given pH value (which is 5) into the formula: [H+] = 10^-5.
  • Step 4: Calculate 10 raised to the power of -5, which gives you the concentration of hydrogen ions in moles per liter (M).
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