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ziro4ka [17]
3 years ago
7

Based on the types of elements in the compound are there ionic or covalent? A. KCI B.NO2

Chemistry
1 answer:
Alex3 years ago
7 0

B.

Explanation:

iehebrkee keen enensjsb sh sry need to get the points?

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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 molNa_{2}S_{2}O_{3}

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

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3 years ago
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