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Luba_88 [7]
3 years ago
6

Please help with this giving brainlist !!

Chemistry
1 answer:
mash [69]3 years ago
6 0

Answer:

if im right i do my caculation that it is B

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A piece of brass is found to have a mass of 24.32 g. When placed in a graduated cyclinder with an initial reading of 5.60 mL the
Jobisdone [24]

Answer:

\rho=3.1g/mL

Explanation:

Hello,

In this case, considering that the density of a body is computed given its mass and volume:

\rho =\frac{m}{V}

Taking into account that the mass is 24.32 g and the volume is computed via the difference between the volume of the water with the brass and the volume of water by itself as follows:

V=13.50mL-5.60mL=7.9mL

The density of the piece of brass turns out:

\rho =\frac{24.32g}{7.9mL}\\\\\rho=3.1g/mL

Best regards.

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The molar mass of copper is 63.55 g/mol. How many moles of copper were reacted?
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