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Bogdan [553]
2 years ago
10

How many electrons, protons and neutrons does the element Argon have?

Chemistry
1 answer:
erik [133]2 years ago
8 0

Answer:

18 Protons

18 Neutrons

&

18 Electrons

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pH is a logarithmic scale used to indicate the hydrogen ion concentration, [H+], of a solution: pH=−log[H+] Due to the autoioniz
Sophie [7]

Answer:

pH = 2,4

Explanation:

pH is defined as a measure of acidity or alkalinity of a solution based on H⁺ concentration

The HCl dissociates in water thus:

HCl → H⁺ + Cl⁻

That means that moles of HCl are the same than H⁺.

0,35gHCl\frac{1mol}{36,46g} = 9,6x10⁻³ moles HCl ≡ moles H⁺

H⁺ molarity is: \frac{9,6x10^{-3}moles}{2,5L} = 3,84x10⁻³M

As pH = -log [H⁺]

<em>pH = 2,4</em>

I hope it helps!

7 0
3 years ago
Melted rock can ooze out from below earths surface through a crack in the crust called a(n)?
Katen [24]
Melted rock can ooze out from below the earth's surface through a crack called a fault.
5 0
3 years ago
What is boiling point
klasskru [66]

Answer:

The temperature at which the given substance starts to boil is called boiling point.

I HOPE IT HELPED U

STAY SAFE STAY HAPPY

5 0
3 years ago
Read 2 more answers
State two applications of simple distillation of separating mixture​
Salsk061 [2.6K]

Answer:

Purify drinking water of unwanted

  • chemicals and
  • minerals such as salt.

<em>Hope this helps! :D</em>

3 0
3 years ago
you are given 500 mL of a 5M stock solution of ammonium chloride but for your experiment, you only need 100 mL of a 0.65M soluti
mafiozo [28]

Answer:

13ml

Explanation:

  1. to prepare dis solution first you need a volumetric flask of 100ml calibrated .
  2. using dilution formulae u will need 13ml from the stock
  3. measure 13ml of the 5M stock of the 500ml
  4. then drop it into the 100ml calibrated flask
  5. then add water till it reach d mark and you shake thoroughly
6 0
3 years ago
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