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Anastaziya [24]
3 years ago
13

Definition of a solvent , solution , solute !!!!!!!!!! ;)

Chemistry
2 answers:
steposvetlana [31]3 years ago
6 0
A solution is a mixture (solvent + solute) of 2 or more elements, for example chocolate milk.

A solvent is the base of the solution which dissovles a solute, for example milk.

A solute is what is dossolved by the solvent, for example chocolate powder.
mariarad [96]3 years ago
5 0
Solvent - the liquid in which a solute is dissolved to form a solution

Solution - a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent)

Solute - the dissolved substance in a solution
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What is the molar mass of KOH?
Julli [10]
<h3>Answer:</h3>

56.11 g/mol

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Chemistry</u>

<u>Atomic Structure</u>

  • Reading a Periodic Table
<h3>Explanation:</h3>

<u>Step 1: Define</u>

[Compound] KOH

<u>Step 2: Identify</u>

[PT] Molar Mass of K - 39.10 g/mol

[PT] Molar Mass of O - 16.00 g/mol

[PT] Molar Mass of H - 1.01 g/mol

<u>Step 3: Find</u>

39.10 + 16.00 + 1.01 = 56.11 g/mol

5 0
3 years ago
After performing a dilution calculation, you determine you need 25.0 milliliters of an aqueous stock solution to make 100.0 mill
IRINA_888 [86]
A is obviously out because it leads to a volume of 125.0 milliliters of the new solution and gives you a lower concentration than you were aiming for.

D is out because you are adding 75 milliliters of the stock solution, so your concentration would be too high. You only need 25.0 milometers of stock solution per 100 milliliters of the new solution.

C is also out because it leads to 50.0 milliliters stock solution per 100 milliliters of the new solution and hence the wrong concentration.

B is by default the correct answer. It also details the correct technique. First you add the stock solution (This you know from your calculations to be 25 milliliters.) then you add the water up to the volume you needed. (Because the calculations only tell you the total volume of water not what you need to add) You also add the water last so you can rinse the neck of the flask to make sure you also get all the stock solution residue into the stock solution.

I would add the final step of stirring, but B is the only answer that can be correct.
8 0
3 years ago
Read 2 more answers
A common misconception people have is that sugar is energy and energy is sugar but you know better. Create a clear explanation t
Gnom [1K]

Answer:There are important differences between naturally occurring sugars, ... Understanding these differences can help you make choices that are better for your health. ... of energy, along with a bevy of vitamins, minerals, and phytonutrients. ... sugar substitutes, but many people find they have an unpleasant

Explanation:

7 0
3 years ago
Gu
Andrei [34K]

According of Dalton's law of Partial pressure, the total pressure of a mixture of gases is the sum of the partial pressures of the individual vases in the mixture.

Hence;

The for hydrogen collected over water, we have a mixture of hydrogen gas and water vapour.

Total pressure = pressure of hydrogen gas + vapour pressure of water

Pressure of hydrogen gas = Total pressure - vapour pressure of water

Pressure of hydrogen gas = 636 mmHg - 28.3 mmHg

Pressure of hydrogen gas = 607.7 mmHg

7 0
2 years ago
A sample of juice has a pH of 4.2. Whsat is the concentration in mol/dm3 of OH in the juice?<br>​
Annette [7]

Answer:

6 * 10^-4M

Explanation:

use this equation

[ H + ]  =  10  −  pH

6 0
3 years ago
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