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labwork [276]
4 years ago
13

When comparing two solutions with the same volume, you may say that one is dilute and the other is concentrated. What does this

mean?
A.
The dilute solution contains more solute than the concentrated solution.
B.
The dilute solution contains less solute than the concentrated solution.
C.
The two solutions are the same.
D.
The concentrated solution contains less solute than the dilute solution.
Chemistry
1 answer:
belka [17]4 years ago
4 0

Answer:

B. The dilute solution contains less solute than the concentrated solution.

Explanation:

A diluted solution is a solution that has less solute (what is being dissolved) dissolved in the solvent (what is dissolving). A concentrated solution is the opposite, it has more solute than dissolved by the solvent.

A simple example is when you make iced tea (with powder). If you want a strong taste, you add more iced tea powder (solute) to the water (solvent) so it is more concentrated. If you want less, you add more water to dilute it.  

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4 years ago
3. How much power is required to pull a sled if you use<br>60j of work in secound?<br>​
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3 0
3 years ago
Calculate the molar concentration of the Cl⁻ ions in 0.92 M MnCl2(aq).
scZoUnD [109]
MnCl2(aq) is an ionic compound which will have the releasing of 2 Cl⁻ ions ions in water for every molecule of MnCl2 that dissolves.
MnCl2(s) --> Mn+(aq) + 2 Cl⁻(aq)
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4 0
3 years ago
250 mL of a solution of calcium oxalate is the evaporated until only a residue of solid calcium
Lana71 [14]

Answer:

2.3 * 10^-5

Explanation:

Recall that the solubility of a solute is the amount of solute that dissolves in 1 dm^3 or 1000cm^3 of solution.

Hence;

Amount of calcium oxalate = 154 * 10^-3/128.097 g/mol = 1.2 * 10^-3 mols

From the question;

1.2 * 10^-3 mols dissolves in 250 mL

x moles dissolves in 1000mL

x = 1.2 * 10^-3 mols * 1000/250

x= 4.8 * 10^-3 moldm^-3

CaC2O4(s) ------->Ca^2+(aq) + C2O4^2-(aq)

Hence Ksp = [Ca^2+] [C2O4^2-]

Where;

[Ca^2+] = [C2O4^2-] = 4.8 * 10^-3 moldm^-3

Ksp = (4.8 * 10^-3)^2

Ksp = 2.3 * 10^-5

4 0
3 years ago
The reaction between an organic acid and an alcohol produces
NARA [144]
If it’s a carboxylic acid with an alcohol then it’ll form an ester and water.
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