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denpristay [2]
3 years ago
9

Use the following terms to fill in the blanks:

Chemistry
1 answer:
Alenkinab [10]3 years ago
7 0

Answer:

1. Molality.

2. Concentration.

3. Percent by mass.

4.  Mole fraction.

Explanation:

Molarity is the measurement by which the number of moles is measured by a solute. The solution here is one liter respectively.

Concentration is the product which is emerged when the amount of the solute is divided by the amount o the solvent or solution.

Mole fraction refers to the number of component moles divided by the number of the solution moles.

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3 0
2 years ago
A reaction which needs to gives off energy to complete the chemical reactions is called an
sukhopar [10]

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Exothermic reaction

Explanation:

Cause im a kid genius and i just got the question right on usa test prep

8 0
3 years ago
What is the meaning of the euphemism, "lose your lunch"?
katrin [286]
B. To lose your lunch means to vomit
4 0
4 years ago
Read 2 more answers
Prepare a solution that is 0.1 M acetic acid and 0.1 M sodium acetate by measuring out 5.0 mL of the 1.0 M acetic acid solution
Juli2301 [7.4K]

Answer:

4.74

Explanation:

It is possible to find pH of a buffer (The mixture of a weak acid: Acetic acid, with its conjugate base: Sodium acetate) using Henderson-Hasselbalch equation:

pH = pKa + log₁₀ [A⁻] / [HA]

<em>Where pKa is -log Ka of the weak acid,  [A⁻] concentration of the conjugate base and [HA] concentration of the weak acid</em>

pKa of acetic acid is -log 1.8x10⁻⁵ = 4.74

The concentration of both, acetic acid and sodium acetate is 0.1M. Replacing in H-H equation:

pH = pKa + log₁₀ [A⁻] / [HA]

pH = 4.74 + log₁₀ [0.1] / [0.1]

pH = 4.74 + log₁₀ 1

<em>pH = 4.74</em>

Theoretical pH is 4.74

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8 0
3 years ago
What is the mass of 0.560 mole of aspirin C9H8O4
Eduardwww [97]
To find mass we use the formula Mass = moles x RFM: Mass = 0.560 x 180 = 100.8g of C₉H₈O₄

Hope that helps :)
5 0
4 years ago
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