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torisob [31]
3 years ago
7

In which aqueous solution will the most ZnS dissolve?

Chemistry
2 answers:
sineoko [7]3 years ago
8 0
1) 0.1 M NaCl
_____________________________________________________
lesya [120]3 years ago
3 0

Answer:

1) NaCl 0.1 M

Explanation:

It will dissolve more in the aqueous NaCl solution.

All other solutions have a common ion with salt.

They will saturate faster by the effect of the common ion.

The effect of the common ion occurs when the elements that make up the solute are present in the aqueous solution.

As in the solution, there is already a certain amount of the element the solution will tolerate less solute and will precipitate faster under these conditions, unlike we add this same amount of solute in a solution that does not contain any element of the solute.

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A compound has a percent composition of 15.24% sodium (molar mass = 22.99
RUDIKE [14]

The empirical formula of the compound obtained from the question given is NaBrO₃

<h3>Data obtained from the question </h3>
  • Sodium (Na) = 15.24%
  • Bromine (Br) = 52.95%
  • Oxygen (O) = 31.81%
  • Empirical formula =?

<h3>How to determine the empirical formula </h3>

The empirical formula of the compound can be obtained as illustrated below:

Divide by their molar mass

Na = 15.24 / 22.99 = 0.663

Br = 52.95 / 79.90 = 0.663

O = 31.81 / 16 = 1.988

Divide by the smallest

Na = 0.663 / 0.663 = 1

Br = 0.663 / 0.663 = 1

O = 1.988 / 0.663 = 3

Thus, the empirical formula of the compound is NaBrO₃

Learn more about empirical formula:

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