Which solution contains the smallest number of moles of sucrose (c12h22o11, molar mass = 342.30 g/mol)? 2,000 ml of a 5.0 × 10–5% (w/v) sucrose solution 20 ml of a 5.0 m sucrose solution all of the solutions contain the same number of moles of sucrose. 2,000 ml of a 5.0 ppm sucrose solution?

> 2,000 mL of a 5.0 × 10–5% (w/v) sucrose solution 

5.0 × 10–3 g/mL * 2000 mL * (1 mol / 342.30 g) = 0.0292 mol

> 2,000 mL of a 5.0 ppm sucrose solution

5 grams / 1000000 mL * 2000 mL* (1 mol / 342.30 g) = 0.0000292 mol

 
> 20 mL of a 5.0 M sucrose solution 

5.0 M * 0.020 L = 0.1 mol

2,000 mL of a 5.0 ppm sucrose solution

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