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damaskus [11]
3 years ago
14

How many moles of KNO3 are needed to make 600 ml of a 1.3M solution?

Chemistry
1 answer:
ludmilkaskok [199]3 years ago
7 0
M = n / V

Where, M is molarity (M or mol/L), n is number of moles of the solute (mol) and V is volume of the solution (L).

Here the solute is KNO₃.
 The given molarity is 1.3 M
 This means 1L of solution has 1.3 moles of KNO₃.

Hence moles in 600 mL = 1.3 M x 0.6 L = 0.78 mol

Therefore to make 1.3 M KNO₃ solution, needed moles of KNO₃ is 0.78 mol
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