Respuesta :
Answer: Amount of moles is 0.47 mol
Explanation: Amount of moles n = cV = 0.55 M · 0.85 l = 0.4675 mol
There are 0.4675 moles of KI in 0.85L of a 0.55 M KI solution
WHAT IS MOLARITY?
Molarity is a measure of the concentration of a solution. It is calculated by dividing the number of moles (n) of a solute by the volume of a solution (V)
Molarity = number of moles (n) ÷ volume (V)
According to this question, the molarity of a KI solution with a volume of 0.85L is 0.55 M. Hence, the number of moles of KI in the solution can be calculated as follows:
Molarity = n/V
0.55 = n/0.85
n = 0.55 × 0.85
n = 0.4675 moles
Therefore, there are 0.4675 moles of KI in 0.85L of a 0.55 M KI solution.
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