# Chemistry;HELP

posted by Victoria

Use the 5-step 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 m =
1. The density of silver is 110.49 g/cm3. If a sample of pure silver has a volume of 112.993 cm3, what would the mass?

2. How many grams of tin would occupy 15.5 L, if it has a density of 17.265 g/cm3?(hint 1L=1000cm3)

3. What is the mass of a 1350 cm3 sample of pure silicon with a density of 21.336 g/cm3?

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