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Rashid [163]
3 years ago
5

The molar concentration of a sugar solution in an open beaker has been determined to be 0.3M. Calculate the solute potential at

27 degrees. Round your answer to the nearest hundredth.
Chemistry
1 answer:
antoniya [11.8K]3 years ago
8 0

Answer:

- 7.48

Explanation:

Given:

Concentration of the sugar solution, C = 0.3 M

Temperature, T = 27° C = 273 + 27 = 300 K

Now,

The solute potential is given as:

solute potential = - iCRT

where,

i is the number of particles the particular molecule will make in water

i = 1 for sugar

R is the universal gas constant = 0.0831 liter bar/mole-K

on substituting the respective values, we get

solute potential = - 1 × 0.3 × 0.0831 × 300

or

The solute potential = - 7.479 ≈ - 7.48

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1. _ LiBr2 + __K2CO3 --&gt;___ LiCO3 +_ KBr<br> Reaction Type:
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Answer:

Double displacement chemical reaction.

Explanation:

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In this case, for the given reaction we firstly balance it:

LiBr_2 +K_2CO3 \rightarrow LiCO3 +2KBr

Then, since the lithium and potassium cations are being exchanged to each other from bromide and carbonate, we are talking about a double displacement chemical reaction.

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What types of metals require the use of a Roman numeral in the name of their iconic compounds
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3 years ago
Read 2 more answers
.A gas occupies 25,3 mL at a pressure of 152 kPa. Find the volume if the pressure is
Strike441 [17]

Answer:

47.36mL

Explanation:

Using Boyles law equation, which states that:

P1V1 = P2V2

Where;

V1 = initial volume (mL)

V2 = final volume (mL)

P1 = initial pressure (atm)

P2 = final pressure (atm)

Based on the provided information, V1 = 25.3mL, P1 = 152 kPa, V2 = ?, P2 = 0.804atm

First, we need to convert 152kPa to atm by dividing by 101

1kPa = 0.0099atm

152kPa = 1.505atm

P1V1 = P2V2

1.505 × 25.3 = 0.804 × V2

38.08 = 0.804V2

V2 = 38.08/0.804

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5 0
3 years ago
Himalayan pink salt has a density of 1.03 g/mL.
morpeh [17]

The volume, in liters, per kg of the Himalayan pink salt would be 0.97 L

Recall that: density = mass/volume

Hence: volume = mass/density

In this case, the density of the Himalayan pink salt is 1.03 while the mass we are working with is 1 kg.

1 kg is equivalent to 1000 g

Thus: volume = 1000/1.03

                           = 970.87 mL

Divide by 1000 to convert to L

                        970.87/1000 = 0.97 L

More on density can be found here: brainly.com/question/2040396

8 0
3 years ago
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