Malaf6aithavel Malaf6aithavel

17-07-2016
Chemistry

contestada

the density of iron is 7.87 g/ml. what is the mass of a 4.00 cm × 4.00 cm × 1.00 cm block of iron?

Respuesta :

daniel987 daniel987

17-07-2016

find the volume of the block : V = L x W x H
find the volume of the block : V = 4.00 x 4.00 x 1.00 = 16.00cm3

A cm3 is = to a ml

so the block has 16ml of iron so now to find its mass : M = D x V

Mass = 7.87 x 16 = 125.92g or 126g if rounded

hope that helps

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