If 1 mol of NaCl is dissolved in water, how many particles are present in soluti

Practice Questions

Q1
If 1 mol of NaCl is dissolved in water, how many particles are present in solution?
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  2. 2
  3. 3
  4. 4

Questions & Step-by-Step Solutions

If 1 mol of NaCl is dissolved in water, how many particles are present in solution?
  • Step 1: Understand that 1 mole of any substance contains Avogadro's number of particles, which is approximately 6.022 x 10^23.
  • Step 2: Recognize that NaCl (table salt) is made up of two ions when it dissolves in water: sodium ion (Na+) and chloride ion (Cl-).
  • Step 3: When 1 mole of NaCl is dissolved, it separates into 1 mole of Na+ ions and 1 mole of Cl- ions.
  • Step 4: Since there are 2 moles of ions (1 mole of Na+ and 1 mole of Cl-), you have a total of 2 moles of particles in solution.
  • Step 5: To find the total number of particles, multiply the number of moles of particles (2 moles) by Avogadro's number (6.022 x 10^23).
  • Dissociation of Ionic Compounds – Understanding that ionic compounds like NaCl dissociate into their constituent ions when dissolved in water.
  • Mole Concept – Applying the mole concept to determine the number of particles based on the number of moles of a substance.
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