Q&A for How to Dilute Solutions

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How can I prepare 5% of hydrochloric acid solution from concentrate HCl?

Community Answer

Measure out 5 ml. of HCl acid, transfer it to a 100 ml. volumetric flask, and fill the flask to the mark with deionized water.

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Question

Why should I dilute cleaning chemicals?

Community Answer

If they are concentrated, the fumes can be very harmful if they are breathed in, as they can damage the 'hairs' in the trachea. Furthermore, if they touch the skin, they can cause severe to mild irritation. Apart from this, they can also be harmful to the surface that you are trying to clean, especially if it is wood, or other such sensitive materials. All this is because cleaning products are usually strong alkalis.

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How do I dilute a 0.9 percent solution of 500 ml to a .45 percent solution?

Community Answer

Provided that your solvent (a major component) is nearly pure, then you need another 500 ml. Hence you will have 0.45 percent solution since you haven't changed the solute (a minor component). This is because you increased the total solution to 1L.

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How can I dilute a cream?

Community Answer

This will depend on what kind of cream you are diluting. In general, you can dilute the cream by adding water or another solvent to it.

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How much should I dilute a solution containing 11250 microgram/ml protein content to obtain 250 microgram/ml protein content?

Community Answer

Use the formula c1v1=c2v2. (11.25mg)(1ml)=(.25mg)v2. v2=45ml. Add 45ml to the initial mixture to get to the lower microgram/ml or milligram/ml concentration you want.

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Question

How do I dilute a 100% concentration liquid to make it a 1% concentration?

Community Answer

Measure 1ml of the concentrated liquid, transfer to volumetric flask, make up with deionized water to 100ml.

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Question

I have 40 volume clear hydrogen peroxide and need to dilute it to 9% volume for my plants. Can you tell me how much water to add per cup or 40 volume?

Richard Gblende

Community Answer

Measure 9 ml of hydrogen peroxide into a 100 ml of volumetric flask and fill the flask with deionized water to the mark.

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Question

How do I dilute a stock 20% NACL solution to 50 ml of 1% NACL solution?

Community Answer

Measure 2.5ml, then transfer them into volumetric flask(50ml) then add distilled water reaching the line mark.

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