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Asked by Aravind Last Modified
Answer To calculate the molarity (M) of a solution, you can use the formula:
First, we need to determine the number of moles of NaCl (sodium chloride) in the solution.
Number of moles=Mass/Molar mass
Number of moles=5.85 g/58.44g
Number of moles≈0.1 molNumber of moles≈0.1mol
Next, we need to convert the volume of the solution from milliliters (mL) to liters (L):
V=500 mL/1000 mL
V=0.5 L
Now, we can calculate the molarity:
M=0.1 mol/0.5 L
M=0.2 mol/L
So, the correct answer is:
(c) 0.2 mol L^-1
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