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lesya [120]
2 years ago
8

After extended stirring of a spatula sized portion of a solid drug in 100 mL of water, the drug appeared to be insoluble. Yet wh

en the liquid was separated from the solid and heated, solid residue was observed forming as the liquid evaporated. This evidence suggests that the liquid portion of the mixture formed after stirring the drug with water was
Chemistry
1 answer:
Marina86 [1]2 years ago
5 0

Answer:

a saturated solution

Explanation:

A saturated solution is a solution that already contains just as much solute as it can normally hold at a given temperature.

When more solute is added to a saturated solution, the added solute does not dissolve.

The fact that when the liquid was separated and evaporated, some solid crystals were recovered means that the liquid has already dissolved the amount of solute that it can normally hold at that temperature. That is, the liquid is already a saturated solution hence more solute does not dissolve.

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Are my answers correct?
olga_2 [115]

Answer: yes

Explanation: its common sense

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2 years ago
Write the formula for potassium nitride? <br> (show work)<br> CAN SOMEONE PLEASE HELP?
ohaa [14]

Answer:

It should b KNO3

Explanation:

one Potassium (K) and three Nitrite (NO3)

8 0
3 years ago
A chemist combines iodoethane (ch3ch2i with sodium hydroxide (naoh in an aqueous solution at 100°c. which change to the reaction
antoniya [11.8K]

The replacing of sodium hydroxide with potassium hydroxide (KOH) to the reaction will least affect the organic product that forms.

 

Potassium hydroxide is an inorganic compound with the formula KOH, and is commonly called caustic potash. Along with sodium hydroxide, this colorless solid is a prototypical strong base.

4 0
3 years ago
Read 2 more answers
What kind (ionic or covalent) bond is FeCl2 + Na2CO3? (iron (II) chloride + sodium carbonate).
kipiarov [429]

Answer:

corbonate

Explanation:

i think so. not sure

6 0
2 years ago
Francine makes several measurements of the mass of a metal block. The data set is shown in the table below.
BARSIC [14]

Answer:

Mean

Explanation:

The mean of a series of measurements is calculated when a<em>ll the measurements are added up and then divided by the number of measurements taken</em>, as follows:

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As<u> there are 4 measurements</u>, the mean is:

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3 0
2 years ago
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