Question
Asked Dec 10, 2019
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A solution is prepared by adding 4.512 g of slaked lime also known as calsium hydroxide to 500.00 mL of water.

a. What is the molarity of the solution?

b. What is the molarity of the ions in the solution?

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Expert Answer

Step 1

The molarity or the concentration can be defined as the ratio of number of moles of solute which are present per liter of the given solution. The SI units of molarity are moles/L. The mathematical formula as follows:

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Number of moles(n) Molarity=- Volume (L)

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Step 2

The number of moles for a given chemical species refers to the ratio of mass of the species to that of its molar mass. The formula is shown below:

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Mass Number of moles=- Molar mass

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Step 3

The mass of the slaked lime is given to be 4.512 g.

The volume of the solution which is to be prepared is given to be 500 mL=0.5 L.

The molar mass of...

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Mass Number of moles=- Molar mass 4.512 g 74.093 g/mol =0.0608 mol

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