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Ivahew [28]
3 years ago
6

What reagent could be used to separate Br- from CH3 CO2 when added to an aqueous solution containing both.

Chemistry
2 answers:
Mila [183]3 years ago
8 0

Answer: A) AgNO_3

Explanation: All acetates are soluble.

All compounds of Alkali metals are soluble.

Bromides of Barium, and copper are soluble but that of silver is insoluble.

So, to separate bromide ion from acetate ion, we need to mix silver nitrate to the mixture.

Hence, the right choice is A) AgNO_3 .

AgNO_3(aq)+Br^-(aq)\rightarrow AgBr(s)+NO_3^-(aq)

Serjik [45]3 years ago
6 0
C is the answer for this!
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Answer:

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Determine the freezing point depression of 2 kg of water when 2 mol salt is added to it. The kf of water is 1.86 degrees C/M. Sh
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Answer: The freezing point depression is 1.86^0C

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Depression in freezing point is given by:

\Delta T_f=K_f\times m

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m= molality = \frac{\text {moles of solute}}{\text {mass of solvent in kg}}=\frac{2mol}{2kg}=1m

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3 0
3 years ago
If a gas at 25.0 °C occupies 3.60 liters at a pressure of 1.00 atm, what will be its
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5 0
2 years ago
The temperature at which a substance in the liquid phase transforms to the gaseous phase refers to the substance's _______. A. s
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Ethyl alcohol (ch3ch2oh) is/is not soluble in water. 1. is; all organic molecules are soluble in water. 2. is; ethyl alcohol exh
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Explanation:
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