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3 years ago

A sample of metal had a mass of 17.29g and a volume of 5.68mL what is the density of this metal

Chemistry

1 answer:

Gennadij [26K]3 years ago

8 0

Density = mass/volume

<span>17.29g / 5.68mL = 3.044g/mL</span>

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Answer:

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Hello There!!

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2 years ago

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A chemist prepares a solution of sodium thiosulfate by measuring out of sodium thiosulfate into a volumetric flask and filling t

marshall27 [118]

Mass of sodium thiosulfate $Na_{2}S_{2}O_{3}$ is 110. g

Volume of the solution is 350. mL

Calculating the moles of sodium thiosulfate:

$110. g Na_{2}S_{2}O_{3} * \frac{1 mol Na_{2}S_{2}O_{3}}{158.1 g Na_{2}S_{2}O_{3}}$ = 0.696 mol $Na_{2}S_{2}O_{3}$

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Finding out the concentration of solution in molarity:

$\frac{0.696 mol}{0.350 L} = 1.99 mol/L$

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3 years ago