Question

TTC is a chemical indicator in a culture media used for differentiating bacteria. Suppose you need to create a 500 mL solution of a 1% TTC solution (the other 99% is water). All you have to measure this volume with is a microliter pipette. How many microliters of TTC solution should you measure?

Answer 1

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Answer 2

Answer:

5000 microliters of TTC solution

Explanation:

It is given that  500 ml solution consists of 1% TTC

So the amount of TTC (in ml) in the solution is 1 % of 500 ml

$\frac{1}{100} * 500\\=5$ ml

As we know

$1$ ml $= 1000$ micro liter

So amount of TTC in micro liter present in 5 ml of TTC

$= 5 ml * \frac{1000 microliter}{ 1 ml} \\= 5000$ micro liter

Thus there are 5000 microliters of TTC solution