Which of the following terms describes a piece of pure gold?
2 answers:
Answer:
The correct answer is the option: d. mixture.
Explanation:
Hello! Let's solve this!
Pure gold is a mixture, since it is mixed with some other metal to increase its characteristics.
Pure gold or fine gold is 24-karat gold.
A mixture is the union of one or more elements, but they are not chemically linked.
We conclude that the correct answer is the option: d. mixture.
Mixture would be the piece of pure gold. I don't know the explanation but the answer is mixture, I'm sure about that it is mixture, I read it somewhere.
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or
Molarity definition
Answer:
no
Explanation:
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Answer:
= 61.25 g
= 88.75 g
Explanation:
= = 50 g
⇒ = = 1.25 (moles)
2NaOH + H2SO4 ⇒ Na2SO4 + 2H2O
2 : 1 : 1 : 2
1.25 (moles)
⇒ = 1.25 × 1 ÷ 2 = 0.625 (moles) ⇒ = 0.625 × 98 = 61.25 g
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