Question
A student using a 100mL graduated cylinder that contained 50.00mL of water. Th volume of the water increased to 57.50mL. The density of the object was 7.85 g/cm^2. How many grams did the metal object weigh?
Answers
bobpursley
mass=density*volume=7.85*7.50 grams
So would it be
7.85 g/cm^3 x 7.50mL
do you have to convert the mL and the g/ Cm^3?
What unit would the mass be? grams or mL...
7.85 g/cm^3 x 7.50mL
do you have to convert the mL and the g/ Cm^3?
What unit would the mass be? grams or mL...
bobpursley
ml=cm^3
mass units will be grams.
remember your units go as in algebra...
c/(a/b)=bc/a
so
g/(g/v)=gv/g=v
mass units will be grams.
remember your units go as in algebra...
c/(a/b)=bc/a
so
g/(g/v)=gv/g=v
Thanks!
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