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

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Question: If 1 mol of NaCl is dissolved in water, how many particles are present in solution?

Options:

Correct Answer: 2

Solution:

NaCl dissociates into 2 ions (Na+ and Cl-), so 1 mol of NaCl results in 2 mol of particles.

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

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.