Answer :
The molar concentration of the sugar solution is 0.815M
The best approach to describe a solute concentration in a solution is by molar concentration. According to the formula M = mol/L, molarity is defined as the total number of moles of solute dissolved in one litre of solution.
Given:
Mass, m = 74.2g
Molar mass, mm = 342.30g/mol
Volume, v = 265.7ml
To find:
Molar concentration, M = ?
Formula:
Molar concentration, M = mole / dm^3 of solution
Calculations:
No. of moles = Mass, m / molar mass, mm
No. of moles = 74.2 / 342.3
No. of moles = 0.216 mol
Molar concentration, M = 0.216 / 0.265
Molar concentration = 0.815M
Result:
The molar concentration of the sugar solution is found to be 0.815M
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