3 years ago

______ is/are usually the best conductor/s.

Chemistry

1 answer:

slamgirl [31]3 years ago

3 0

Metals are the best conductors

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A chemist prepares a solution of mercury(II) iodide HgI2 by measuring out 0.0067μmol of mercury(II) iodide into a 350.mL volumet

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$\large\boxed{0.019\, \mu \text{mol/L}}$

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$\text{Concentration } = \dfrac{\text{moles}}{\text{litres}}\\\\\text{c} = \dfrac{n}{V}$

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$c = \dfrac{0.0067\, \mu\text{mol}}{\text{0.3500 L}} = \mathbf{0.019 \, \mu}\textbf{mol/L}\\\\\text{The concentration of mercury(II) iodide is $\large\boxed{\mathbf{0.019\, \mu} \textbf{mol/L}}$}.$

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