How many atoms are there in 12 molecules of nacl
Answers
Answer:
One molecule of Sodium Chloride (NaCl) contains two atoms (Sodium(Na) & Chlorine(Cl))
∴ 12 molecules of NaCl has 24 atoms in it with an average mass of 702 amu.
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Similarly, 1 mole of NaCl has Avogadro's number of molecules (⇒2×Avogradro's number of atoms)
∵ 1mol=6.022137×12²³ units
⇒12 moles of NaCl has 2×12×6.022×10²³ atoms
i.e., 1.445×10²⁵ atoms
Hello!!!
Sodium Chloride or NaCl is made up of two elements, sodium (or Na) and chlorine (or Cl). A molecule of sodium chloride, NaCl, consists of one atom each of sodium and chlorine. Hence, each molecule of NaCl has 2 atoms total.
Similarly, we can calculate the total number of atoms in 1 mole of sodium chloride. Since 1 molecule contains 1 atom each of Na and Cl, 1 mole of NaCl will contain 1 mole each of Na and Cl. We know that 1 mole of anything contains an Avogadro's number of atoms or 6.023 x 10^23 atoms.
Thus, 1 mole of NaCl will contain 6.023 x 10^23 atoms each of Na and Cl, or a total of 12.046 x 10^23 atoms.
NaCl is an ionic compound formed by the loss of one electron from Na and the gain of the one electron by Cl. It is also known as common salt.
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