jennythyhuynh863
jennythyhuynh863 jennythyhuynh863
  • 23-01-2020
  • Chemistry
contestada

A rectangular piece of platinum has dimensions of 3.50 cm*2.16 cm*1.08 cm and weighs 175.5 g. What is the density of platinum?

Respuesta :

anfabba15
anfabba15 anfabba15
  • 26-01-2020

Answer:

21.5 g/cm³

Explanation:

We define density as mass / volume.

We have the mass of the Pt piece → 175.5 g

Therefore, we must find out the volume with the data of dimensions:

3.50 cm . 2.16 cm . 1.08 cm = 8.16 cm³

Density is 175.5 g / 8.16 cm³ = 21.5 g/cm³

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