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To make a fixed amount of a dilute solution from a stock solution, you can use the formula: C1V1 = C2V2 where: V1 = Volume of stock solution needed to make the new solution. C1 = Concentration of stock solution. V2 = Final volume of new solution.

In photographic development, dilutions are normally given in a '1+x' format. For example '1+49' would typically mean 1 part concentrate and 49 parts water, meaning a 500ml solution would require 10ml concentrate and 490ml water.

Answer: 1:5 dilution = 1/5 dilution = 1 part sample and 4 parts diluent in a total of 5 parts. If you need 10 ml, final volume, then you need 1/5 of 10 ml = 2 ml sample. To bring this 2 ml sample up to a total volume of 10 ml, you must add 10 ml - 2 ml = 8 ml diluent.

When products come full strength, you can dilute them to suit your cleaning needs to get more bang for buck and make the products last longer. For example, a 10:1 ratio means you mix 10 parts water to 1 part chemical. The amount of each liquid changes depending on the ratio used, and the size of the container.

3:16 21:54 Dilution Problems, Chemistry, Molarity & Concentration ... - YouTube YouTube Start of suggested clip End of suggested clip So we're looking for v1. We have the new concentration. It's 0.20 we also have the final volume it'sMoreSo we're looking for v1. We have the new concentration. It's 0.20 we also have the final volume it's 500.. So now let's find v1. The first thing we need to do is multiply 0.2 by 500.

A 1/20 dilution means that we have 1 part sample per 20 parts total volume.

If given the ounces per gallon, calculate the dilution rate by dividing the concentrate ounce per gallon into 128. For example, if a product dilutes at 4-ounces per gallon, the calculation would be: 128 ÷ 4 = 32, or a dilution rate of 1:32.