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torisob [31]
3 years ago
15

Chemicals A and B react according to the equation A + B → C. How will the concentrations of each component of the reaction chang

e over time?
The concentrations of A and C will increase, while B will decrease.

The concentrations of A and B will decrease, while C will increase.

The concentrations of A, B, and C will decrease.

The concentrations of A, B, and C will increase.
Chemistry
2 answers:
Firlakuza [10]3 years ago
7 0
The concentration of a and b will decrease while c will increase provided all other physical quantities are kept constant in the reaction
Irina18 [472]3 years ago
3 0

Answer:

The correct answer is ;The concentrations of A and B will decrease, while C will increase.

Explanation:

A + B → C

In the given reaction reactant A and B reacts with each other to form product C. As the reaction proceeds the concentration of A and B starts decreasing and concentration of product C increases.

In the end of the reaction concentration of C becomes greater than that of the  A and B concentration

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Answer:

a. Molarity= M =2.1x10^{-1}M

b. Molality= m=2.0x10^{-1}m

Explanation:

Hello,

In this case, given the information about the aniline, whose molar mass is 93g/mol, one could assume the volume of the solution is just 200 mL (0.200 L) as no volume change is observed when mixing, therefore, the molarity results:

M=\frac{n_{solute}}{V_{solution}} =\frac{3.9g*\frac{1mol}{93g} }{0.2L} =2.1x10^{-1}M

Moreover, the molality:

m=\frac{n_{solute}}{m_{solvent}} =\frac{3.9g*\frac{1mol}{93g} }{0.2L*\frac{1.05kg}{1L} } =2.0x10^{-1}m

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