2 years ago

How many times should you rinse a pipet before transferring liquid? 2- once with tap water and once with deionized water?

1 answer:

8 0

You need to rinse a few times with clean water to dilute and rinse out whatever was in there previously. Then rinse with the solution to be pipetted to rinse out the water and to ensure the solution sits level in the pipette.

You might be interested in

4. Biotic factors that affect other organisms in an ecosystem include all but which of the following factors? a. Symbiosis b. Pr

GenaCL600 [577]

I think its d but im not sure

5 0

2 years ago

Which of the following organelles is best compared to a post office? 1.Endoplasmic reticulum 2.Golgi apparatus 3. Nucleus 4. Cel

natita [175]

Golgi apparatus because it packs vesicles and transports them to the parts of cell where they are needed.

6 0

3 years ago

What is the name of the ionic compound AlBr3?

eduard

The ionic compound for AlBr3 is ↓

Aluminum Bromide

8 0

3 years ago

Read 2 more answers

A ______ must be replaced after too much current in it causes it to melt.

Nezavi [6.7K]

A circuit breaker must be replaced after too much current flowing through it causing it to melt.

6 0

2 years ago

A 100.0 mL sample of a 0.200 M aqueous solution of K2CrO4 was added to 100.0 mL of a 0.100 M aqueous solution of BaCl2. The mixt

stepan [7]

The correct answer is 2.53 g of precipitate, BaCrO4.

5 0

2 years ago