I need help on Chemistry?

ANYONE PLEASE?

I Need Help On Chemistry?ANYONE PLEASE?

Answers

Answer 1

Answer:

1. 1g/ml

Explanation:

1. Density is mass divided by volume (g/mL).

10g/10mL = 1 g/mL

2. When you already know the density and the volume, you can use the density as a unit converter.

[tex]5mL*\frac{20g}{mL} = 100g[/tex]

3. It's the same with density and mass.

[tex]20g*\frac{1mL}{5g} = 4mL[/tex]


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Therefore, the elapsed time must be triple the length of one half-life. 24.33=8.10 , so it is 8.10 hours.
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