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A dilution ratio of 1:10 means ______ml of stock in  20 ml of final volume.

Question

A dilution ratio of 1:10 means ______ml of stock in  20 ml of final volume.

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Solution

A dilution ratio of 1:10 means that 1 part of the stock solution is diluted with 9 parts of the diluent to make a total of 10 parts.

Here's how you calculate it:

  1. First, understand that the ratio 1:10 means that the total volume (stock solution + diluent) is divided into 10 equal parts.
  2. Out of these 10 parts, 1 part is the stock solution.
  3. So, if the final volume is 20 ml, each part would be 20 ml / 10 = 2 ml.
  4. Therefore, a dilution ratio of 1:10 means 2 ml of stock in 20 ml of final volume.

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