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goblinko [34]
3 years ago
15

To make a 7.21M solution, how many moles of solute will be needed if 12.0 liters of solution is required? (Stoichiometry)

Chemistry
1 answer:
djyliett [7]3 years ago
8 0

Answer:

I think it's 78. I might be wrong I'm not sure.

Explanation:

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I need some help please
Norma-Jean [14]

Answer:

the first one to the third box

the second one to the fourth box

the third one to second box

and the fourth one to the first box

Explanation:

5 0
3 years ago
Which lists the correct order of the steps?<br> 4,2,1,3<br>4,1,3,2<br> 4,3,1, 2<br>4, 2, 3.1​
Alik [6]

Answer:

4,3,1,2 thise is my answer.

5 0
3 years ago
5/10
Marianna [84]

Answer: 0.082 atm L k^-1 mole^-1

Explanation:

Given that:

Volume of gas (V) = 62.0 L

Temperature of gas (T) = 100°C

Convert 100°C to Kelvin by adding 273

(100°C + 273 = 373K)

Pressure of gas (P) = 250 kPa

[Convert pressure in kilopascal to atmospheres

101.325 kPa = 1 atm

250 kPa = 250/101.325 = 2.467 atm]

Number of moles (n) = 5.00 moles

Gas constant (R) = ?

To get the gas constant, apply the formula for ideal gas equation

pV = nRT

2.467 atm x 62.0L = 5.00 moles x R x 373K

152.954 atm•L = 1865 K•mole x R

To get the value of R, divide both sides by 1865 K•mole

152.954 atm•L / 1865 K•mole = 1865 K•mole•R / 1865 K•mole

0.082 atm•L•K^-1•mole^-1 = R

Thus, the value of gas constant is 0.082 atm L k^-1 mole^-1

3 0
3 years ago
Read 2 more answers
Sodium chloride procedure​
MAVERICK [17]

Answer: Dissolve approximately 3 mg of Sodium Chloride in 2 mL of water.

Add 0.4 mL of silver nitrate TS and acidify with diluted nitric acid.

8 0
2 years ago
Properties of elements within a blank on the periodic table change in a predicatable way from one side of the table to the other
Vitek1552 [10]

Answer: oxygen

Explanation:

7 0
3 years ago
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