Question

prepare 2moles solution of sulphuric acid​

Answer 1

Answer:

Molarity by definition is the moles of solute per 1 liter of solution. To make 2M Sulfuric Acid from a concentrated bottle of H2SO4 it is necessary to know the concentration of the H2SO4 solution you are working with so that you can dilute the concentrated solution appropriately.

Let’s assume that you are diluting from a 20M concentrated stock solution of H2SO4 and that you want 1 L of 2M H2SO4. To make a 2M solution you will want 2 moles of the H2SO4 in a total of 1L of water. Given that there are 20 moles in 1L of concentrated stock solution, you can calculate that it takes a tenth of a liter or 100ml to get 2 moles of H2SO4 from the stock. You use the formula M1V1=M2V2 where M1 represents molarity of stock solution, V1 is the volume of that solution needed for dilution, M2 is the desired molarity of the diluted solution, and V2 is the desired total volume of diluted solution.

So you take 900 ml of plain water, add your 100ml of concentrated H2SO4. Mix all this together and you now have 2 moles of H2SO4 in 1L of solution….that is 2M H2SO4. You can use the formula as described to create whatever volume of solution you want however if you don’t want a liter.

Explanation:

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