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kondor19780726 [428]
4 years ago
11

A 25.5g sample of a metal has a volume of 31.5ml what is the density of this metal

Chemistry
1 answer:
pentagon [3]4 years ago
7 0

To determine the density of the metal, the formula to be used is mass divided by volume.

So in our given, the mass is 25.5 g and the volume is 31.5 mL.

Convert the mL to L, since the density unit that we are going to use is g/L

31.5 mL x 0.001 L / 1 mL = 0.0315 L

So compute for the density:

<span>Density = 25.5g / 0.0315 L = 0.80325 g/L</span>

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12. A helium-filled weather balloon has a volume of 2.4 x 102 L at 99 kPa pressure and a
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Data

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mass = ?

Process

1.- Convert kPa to atm

P = 99 kPa = 99000 Pa

                   1 atm --------------- 101325 Pa

                    x       ---------------   99000 Pa

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          8 g -------------------- 1 mol

           x    -------------------- 1.093 moles

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Read 2 more answers
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