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3 years ago

Increasing the ? of a solvent increases the solubility of the solute

Chemistry

2 answers:

mart [117]3 years ago

8 0

The answer is temperature

Gelneren [198K]3 years ago

7 0

There are a lot of ways to increase the solubility of the solute. Increasing the temperature, mixing time and surface area of a solvent increases the solubility of the solute

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The solubility product of PbI2 is 7.9x10^-9. What is the molar solubility of PbI2 in distilled water?

Agata [3.3K]

Answer: The molar solubility of $PbI_2$ is $1.25\times 10^{-3}mol/L$

Explanation:

Solubility is defined as the maximum amount of solute that can be dissolved in a solvent at equilibrium.

Solubility product is defined as the product of concentration of ions present in a solution each raised to the power its stoichiometric ratio.

The balanced equilibrium reaction for the ionization of calcium fluoride follows:

$PbI_2\rightleftharpoons Pb^{2+}+2I^-$

s 2s

The expression for solubility constant for this reaction will be:

$K_{sp}=[Pb^{2+}][I^-]^2$

We are given:

$K_{sp}=7.9\times 10^{-9}$

Putting values in above equation, we get:

$7.9\times 10^{-9}=(s)\times (2s)^2\\\\7.9\times 10^{-9}=4s^3\\\\s=1.25\times 10^{-3}mol/L$

Hence, the molar solubility of $PbI_2$ is $1.25\times 10^{-3}mol/L$

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2 years ago

The moon cannot be seen during which phase?

ycow [4]

New moon is the phase in which it cannot be seen

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3 years ago

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What volume of 2.0 M HCl in mL will neutralize 25.0 mL of 1.00 M KOH?

MakcuM [25]

CaVa=CbVb
2xV=1X25
V=25/2
V=12.5ML

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2 years ago

What is a process by which long-term carbon is released into the atmosphere

LekaFEV [45]

Answer:

The carbon cycle

Carbon moves from living things to the atmosphere. Each time you exhale, you are releasing carbon dioxide gas (CO2) into the atmosphere. Animals and plants get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.

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3 years ago

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Will give brainliest

Burka [1]

Ok so I got the answer,and I’m confident it’s right.The answer is I=0

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1 year ago