3 years ago

Why is it important to keep good records during a scientific investigation?

1 answer:

5 0

Answer:

everything needs to be documented in case you need to come back to it and to have evidence for yourself and others. as they say if it is not documented it wasn't done

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Density is defined as the mass contained per unit volume.

$Density=\frac{mass}{volume}$

Given : Density of cresol = 1024 g/L

Volume of cresol = 405 ml = 0.405 L ( 1L=1000ml)

Putting in the values we get:

$1024g/L=\frac{mass}{0.405L}$

$mass=1024g/L\times 0.405L=415g$

Thus mass of 405 ml of cresol is 415 grams

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