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Willchemistry
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Volume in mL :

1.25 L  * 1000 => 1250 mL

Density = 0.921 g/mL

Therefore:

m = density * volume

m = 0.921 * 1250

m = 1151.25 g

Answer:

The mass of a 1.25 l sample of a liquid is 1,151.25 grams.

Explanation:

Mass of the sample be m

volume of the sample = 1.25 l= 1250 ml

Density of the sample = 0.921 g/ml

[tex]Density =\frac{Mass}{Volume}[/tex]

[tex]0.921 g/ml= \frac{m}{1250 ml}[/tex]

m = 1,151.25 g