How many moles of kl are contained in 100.0ml of a .20m solution?

0.020 mol  

Step-by-step explanation:

Data:

V = 100.0mL

c = 0.20 mol·L⁻¹

Calculations:

Molarity = moles/litres  

c = n/V

Multiply each side by V:     n = cV

(a) Convert millilitres to litres

100.0 mL × (1 L/1000 mL) = 0.1000 L

(b) Calculate the moles

n = 0.1000 L × (0.20 mol/1 L) = 0.020 mol

The solution contains 0.020 mol of KI.

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