Chemistry;HELP
posted by Victoria .
Use the 5step method and be sure to include units where appropriate. Round your answers to the correct number of significant digits.
Mass m
Density =  or D = 
Volume v
Adjust the density formula and solve the problems below:
m
D =  Original Formula
v
Adjust the formula for the unknown v =
1. Pure gold has a density of 119.32 g/cm3. How large would a piece of gold be if it had a mass of 3118.97 g?
2. How many cm3 would a 515.932 g sample of copper occupy if it has a density of 18.92 g/cm3?
3. The density of lead is 111.342 g/cm3. What would be the volume of a 200.0 g sample of this metal?
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