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galina1969 [7]
3 years ago
12

What is the correct name for the formula, Mno

Chemistry
1 answer:
Ksivusya [100]3 years ago
7 0

Answer: Manganese(II) oxide

Explanation:

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The pH scale for acidity is defined by pH=−log10[H⁺] where [H⁺]is the concentration of hydrogen ions measured in moles per liter
masha68 [24]

Answer:

5.62 * 10^-13 moles per liter

Explanation:

The pH of a solution is the negative logarithm to base 10 of the concentration of hydrogen ions. What we simply do here is to input the information in the question into the equation:

pH=−log10[H⁺]

Here we know the pH but we do not know the concentration of the hydrogen ions.

12.25 = -log [H+]

log[H+] = -12.25

[H+] = 10^-12.25

[H+] = 5.62 * 10^-13 moles per liter

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3 years ago
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MariettaO [177]

Answer:

Sure..I can be ur friend

Explanation:

7 0
2 years ago
A _________________ is the path of energy transfer from producer to consumers.
Verizon [17]

Answer: Food chain

Explanation: none

3 0
3 years ago
What is the molality of a solution in which 0.42 moles aluminum chloride has been dissolved in 4200 water ?
madreJ [45]

Answer:

0.1 M

<h3>Explanation:</h3>
  • Molarity refers to the concentration of a solution in moles per liter.
  • It is calculated by dividing the number of moles of solute by the volume of solvent;
  • Molarity = Moles of the solute ÷ Volume of the solvent

<u>In this case, we are given;</u>

  • Number of moles of the solute, NH₄Cl as 0.42 moles
  • Volume of the solvent, water as 4200 mL or 4.2 L

Therefore;

Molarity = 0.42 moles ÷ 4.2 L

            = 0.1 mol/L or 0.1 M

Thus, the molarity of the solution will be 0.1 M

7 0
3 years ago
What part of the earth is made up of the tectonic plates? list and describe the motion of the three types of plate boundaries?
Naddika [18.5K]
The crust
1. divergent (moves away from each other)
2. convergent (moves towards each other)
3. transform (slides past each other)
3 0
3 years ago
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