Question

What is the density of a substance that has a mass of 12g and a volume of 2.3mL?

Answer 1

Answer:

We are given the density and volume, both of which have good units so all we have to do is rearrange the equation to solve for the mass:

d

e

n

s

i

t

y

×

v

o

l

u

m

e

=

m

a

s

s

volume

×

volume

Density

×

Volume = Mass

14

g

mL

×

10

mL

Thus, the object has a mass of 140g.

Explanation: