Answer: Option (D) is the correct answer.
Explanation:
Need means necessity without which a person might not be able to survive for long.
For example, food is a need for every living being as without it any individual cannot survive for a long period of time.
Similraly, shelter is also a need and insurance is also necessary as it protects an individuals life or his savings so that after his death the future of his family remains protected.
Whereas cable TV is not a need as an individual can survive without it. Therefore, a cable TV is a want.
Answer:hope you have a awesome day we all enjoy that you are living on this earth with us ❤️
Explanation:
Moles are the product of the molar concentration and the volume of the solution. The moles of Ferric chloride is 0.118 moles.
<h3>What are moles?</h3>
Moles are the smallest unit of the measurement of atoms and molecules. It is calculated by the molar concentration and the volume of the solution.
Given,
Molar concentration of ferric chloride = 0.762 M
Volume of solution = 0.155 L
Moles are calculated as:
Therefore, 0.118 moles of ferric chloride are present in the sample.
Learn more about moles here:
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Answer:
0.64 g O₂
Explanation:
I am assuming you meant 0.02 moles of O₂. In that case, convert moles to mass via stoichiometry:
0.02 mol O₂ x 32 g O₂/1 mol O₂ = 0.64 g O₂
Yes! since its clear, <span>due to formation of ammonium hydroxide in water.</span>
