Molarity = moles of solute / liters of solution
M = 0.5 / 0.05
M = 10.0 mol/L⁻¹
hope this helps!
<span>A- solute is the answer you were looking for
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The species which gives OH⁻ ion is known as Arrhenius base.
<h3>What are
Arrhenius bases?</h3>
Arrhenius bases are those species which are giving hydroxide ion (OH⁻) in an aqueous solution.
Properties of Arrhenius bases are:
- They are bitter in taste.
- Converts red litmus paper to blue color.
- Have pH value in the range of 7.1 to 14.
Examples of Arrhenius bases are sodium hydroxide (NaOH), potassium hydroxide (KOH), etc.
Hence, Arrhenius bases gives OH⁻ in an aqueous solution and NaOH is an example of this.
To know more about Arrhenius bases, visit the below link:
brainly.com/question/1049247
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Answer: 57 neutrons
Explanation: Ruthenium has an atomic number of 44, meaning it has 44 electrons, 44 protons, and 57 neutrons.