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Sagot :
The quantity is divided by volume it really is dissolved in to get the concentration. quantity concentration amount. = For instance, you may dissolve. sodium chloride, 0.9g.
What is the straightforward meaning of volume?
The volume of an item in three dimensions is the area occupied inside its boundaries. It is referred to as the object's capability on occasion..
Briefing
Number of moles per solute (KI) per volume of water (KI + water) is how molarity is defined.
Additionally, we require the molar mass for KI, which is 166 g/mol.
Procedure:
The number of moles of KI = 2.08 g/166 g/mol = 0.0125 moles KI
Volume = 279 mL = 0.279 L (1 L = 1000 mL)
Therefore,
0.125 moles KI ------- 0.279 L of solution
X ------- 1 L of solution
X = 0.448 mol/L
Another procedure:
Molarity = number of moles (KI)/Volume of solution (L)
Molarity = 0.125 moles/0.279 L = 0.448 mol/L or M
Answer: M = 0.448 mol/L
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