Chemistry
zarkam21:

What is the volume of a piece of material where a 77.3g sample has a density of 0.630 g/cm^3

5 months ago
Vocaloid:

density = mass / volume so plugging density and mass in 0.0630 = 77.3/x solve for volume

5 months ago
zarkam21:

plug in 0.0630 or 0.630?

5 months ago
Vocaloid:

oh 0.630 not 0.0630

5 months ago
Vocaloid:

0.630 = 77.3/x

5 months ago
kittybasil:

It's 0.630, that was a typo $D=\frac{m}{v}$D = $$0.630\text{ g/cm}^3$$ m = $$77.3\text{ g}$$$\therefore0.630\text{ g/cm}^3=\frac{77.3\text{ g}}{v}$$v=77.3\text{ g}\div0.630\text{ g/cm}^3=??$

5 months ago
zarkam21:

122

5 months ago
Vocaloid:

almost, it ends up being 122.698 which rounds up to 123 cm^3 not 122

5 months ago
kittybasil:

I was about to say don't forget units (but yes what Voca said)

5 months ago
zarkam21:

wait units are L

5 months ago
Vocaloid:

hm? the units they gave you for density are 0.630 g/cm^3 so the volume itself is cm^3

5 months ago
kittybasil:

I mean... density can also be g/mL but it depends What units were you given?$\text{What is the volume of a piece of material where a }77.3g$$\text{sample has a density of }0.630 g/cm^3$I don't see liters mentioned here

5 months ago
kittybasil:

But if you need to convert... Try this

5 months ago
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