What is the Molar concentration of a solution if 20.0 grams of KNO3 (MM = 101 g/mol) is dissolved in enough water to make 800 mL?
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Answer:
0.247 mol per litre
Explanation:
Molarity (M )is defined as the number of moles of solute present per litre of solution. Given, volume of solution v = 800 ml, mass of solute w= 20 g, molecular mass of solute m = 101 g
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