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daser333 [38]
3 years ago
10

A compound is found to have a molar mass of 598 g/mol. if 35.8 mg of the compound is dissolved in enough water to make 175 ml of

solution at 25°c, what is the osmotic pressure of the resulting solution?
Chemistry
1 answer:
TiliK225 [7]3 years ago
7 0
The computation for molarity is: 
(x) (0.175 L) = 0.0358 g / 598 g/mol 
x = 0.000342093 M 
Whereas the osmotic pressure calculation: 
pi = iMRT 
pi = (1) (0.000342093 mol/L) (0.08206 L atm / mol K) (298 K) 
pi = 0.0083655 atm 
Converting the answer to torr, will give us:
0.0083655 atm times (760 torr/atm) = 6.35778 torr 
which rounds off to 6.36 torr
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7 0
3 years ago
4 C3H6 + 6 NO --> 4 C3H3N + 6 H2O + N2
emmasim [6.3K]

4 moles

Explanation:

Given parameters:

number of moles of reacting NO = 24moles

Equation of the reaction:

    4C₃H₆     +     6NO    ⇒     4C₃H₃N   +  H₂O    +     N₂

Solution:

The moles is synonymous the quantity of matter that contains the avogadro's number of particles.

To solve this problem, we must ensure that the given equation is balanced by simply inspecting.

 The equation is balanced by inspection.

From the balanced equation;

          6 moles of NO reacted to produce 1 mole of nitrogen gas

        24 moles of NO will therefore produce    \frac{24}{6} = 4 moles

learn more:

Number of moles brainly.com/question/1841136

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5 0
4 years ago
In chemistry-what is a catalyst
nika2105 [10]
A catalyst is a substance that decrease the activation energy needed to start a reaction.
4 0
4 years ago
identify the precipitate(s) of the reaction that occurs when a silver nitrate solution is mixed with a sodium chloride solution.
zlopas [31]

The precipitate of reaction that occurs when silver nitrate solution is mixed with sodium chloride solution is of silver chloride (AgCI).

The chemical equation for this precipitation reaction is as following:

AgNO3(aq) + NaCl(aq) --> AgCl(s) [precipitate]+NaNO3(aq)

  • Silver Chloride is a chemical compound which is poorly soluble in water because the chemical bond between Ag+ and Cl is very strong as the two ions are nearly the same size and have similar electronic densities.
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6 0
1 year ago
An analysis of a sugar compound is found to contain 132 grams of carbon (C), 22 grams of hydrogen (H), and 176 grams of oxygen (
ddd [48]
132 g of C  ,   22 g of H   , 176 g of O

132 + 22 + 176 => 330 g <span>of the substance

</span>Now convert the masses in <span>moles :
</span>
C = 12.0 u        H = 1.0 u       O = 16.0 u

C = 132 / 12.0 => 11 moles

H = 22 / 1.0 => 22 moles

O = 176 / 16.0 => 11 moles

Using the values obtained the lowest proportion in mols of elements present, simply divide the values found for the least of them<span>:
</span>
C = 11 / 11 => 1

H = 22 / 11 => 2

O = 11 / 11 => 1

 formula empirically <span>is : CH</span>₂O

hope this helps!


8 0
4 years ago
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