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Kazeer [188]
3 years ago
11

If 35.8 grams of LiCl are dissolved in 184 grams of water, what is the concentration of the solution in percent by mass?

Chemistry
2 answers:
aleksandrvk [35]3 years ago
4 0

I recieved 16.3% as my answer.

True [87]3 years ago
3 0
35.8/184=.194565, or 19.4565%
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zubka84 [21]

Answer:

16mL

Explanation:

Using the following formula;

CaVa = CbVb

Where;

Where

Ca = concentration/molarity of acid (M)

Va = volume of acid (mL)

Cb = concentration/molarity of base (M)

Vb = volume of base (mL)

According to the information provided in this question;

Ca (HCl) = 2M

Cb (NaOH) = 5M

Va (HCl) = 40mL

Vb (NaOH) = ?

Using CaVa = CbVb

Vb = CaVa/Cb

Vb = 2 × 40/5

Vb = 80/5

Vb = 16mL

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3 years ago
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soldi70 [24.7K]

Answer:

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Explanation:

4 0
3 years ago
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MrRa [10]

The first law here is Charles's law and the new volume will be 285.08 mL

Converting degree celsius to kelvin when solving gas laws problem.

kelvin = degree celsius + 273.15

Kelvin = 19 + 273.15 = 292.15 K

Kelvin = 60 + 273.15 = 333.15 K

Given Data:

V1 (initital volume) = 250 ml

T1 (initial temperature) = 19°c or 292.15 K

V2 (final volume) = unknwon ?

T2 (final temperature) = 60°c  or 333.15 K

Charles' law which states that volume is directly proportional to temperature when the amount and pressure of the gas are constant.

Applying the formula, we get

V2 = V1T2 / T1

   = 250 ml × 333.15 K / 292.15 K    (cancel kelvin unit)

    = 83287.5 ml / 292.15

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The new volume will be 285.08 ml

brainly.com/question/16927784

#SPJ9

6 0
1 year ago
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Maurinko [17]

Answer:

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Explanation:

Density differences in different materials are able to change the speed of a wave.

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  • As a wave travels from one medium to another, the speed of the wave changes.
  • Speed of a wave is medium dependent.
  • The denser a medium, the slower the speed of waves will be be.
  • A less dense medium will have waves traveling through faster.
6 0
3 years ago
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A person would weigh more on Neptune than on planet earth because the gravitational field strength is stronger on Neptune.

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