To obtain an <em>effective concentration</em> of household bleach, where a 1:100 dilution is made. This means that 1mL of bleach is added to 100mL of water.
According to the question, the dilution factor is 1:100 in the order quantity of bleach to that of water respectively.
- The question posed, more specifically, demands for the quantity of bleach to be added to what quantity of water to achieve the 1:100 dilution.
Ultimately, 1mL of bleach is added to 100mL of water to achieve the 1:100 dilution.
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Okay so because of the difference in density a simple method for telling the difference between the two is to put a sample in a container with oil, because water has a higher density than the oil it would sink to the bottom but alcohol on the other hand is lighter than oil and would float on top of the oil.
However with this question I think that what you would do is use the ice to find out what the substance is, it would float on top of the liquid if it were water because the water is denser than ice but the ice would sink if it was alcohol because the alcohol is less dense than ice.
I hope this helps you, good luck : )
Answer:
I know that Aerogel is the lightest metal in existence, but I don't think it would help much with your answer. I mean you can give it a try?
When two or more atoms chemically bond together, they form a molecule (O3). When atoms of at least two different elements come together to form chemical bonds, these molecules can be called compounds (NaCl). A pure substance consists of a single element or compound. For example, Iron is formed only of Iron (Fe) atoms; table salt is formed only by sodium chloride (NaCl) molecules.
