127g of sodium chloride was dissolved in 1.0dm\(^3\) of distilled water at 25\(^0\)C . Determine the solubility in moldm\(^{-3}\) of sodium chloride at that temperature. [Na = 23, Cl = 35.5]
a
1.0
b
2.0
c
2.2
d
4.1
Explanation
Correct Option
cVideo Explanation
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Odemosad
1 year ago
Solubility = solute/solvent x 1000/Molar Mass
NOTE: Vol is given in dm³, hence turn 1000 to 1 in the equation.
Solubility = 127/1 x 1/58.5
= 2.2 mol/dm³
