Asked by Anonymous
5.85gm of NaCl is dissolved in water and the solution is made up to 0.5 litre. what is the molarity of solution ????
Answers
Answered by
Jai
From the periodic table, the molar weight of Na and Cl:
Na - 23
Cl - 35.45
Thus molar mass of NaCl is 58.45 g/mol
Molarity is moles solute over liters of solution.
To get the moles, we divide the given mass by the molar mass:
5.85 g NaCl / 58.45 g/mol = 0.10 mol NaCl
Thus,
M = 0.10 mol NaCl / 0.5 L
M = ?
Hope this helps~ `u`
Na - 23
Cl - 35.45
Thus molar mass of NaCl is 58.45 g/mol
Molarity is moles solute over liters of solution.
To get the moles, we divide the given mass by the molar mass:
5.85 g NaCl / 58.45 g/mol = 0.10 mol NaCl
Thus,
M = 0.10 mol NaCl / 0.5 L
M = ?
Hope this helps~ `u`
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