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monitta
4 years ago
12

Which equipment would help you separate a liquid mixture by distillation? a freezer sand or gravel two flasks, a heat source, an

d a condensing tube a sieve, such as a colander or kitchen strainer
Chemistry
1 answer:
Elenna [48]4 years ago
4 0

Answer:

            Two flasks, a heat source and a condensing tube.

Explanation:

                    Distillation is a separating technique in which two miscible liquids are being separated on the basis of difference in their boiling points. The mixture is heated in a flask which is connected to condenser and the second flask is attached at the second end of condenser.

                    The mixture of liquids is heated on heater, the liquid with lower boiling point is evaporated first and the vapors are condensed in condenser and collected in second flask. While, the second liquid remains unboiled in first flask.

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Answer:

\large \boxed{\text{339 g}}

Explanation:

We will need a balanced chemical equation with masses and molar masses, so, let's gather all the information in one place.

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(a) Moles of Cu

\text{Moles of Cu} = \text{100 g Cu }\times \dfrac{\text{1 mol Cu}}{\text{63.55 g Cu}}= \text{1.574 mol Cu}

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\text{Moles of Ag} = \text{1.574 mol Cu} \times \dfrac{\text{2 mol Ag}}{\text{1 mol Cu}} = \text{3.147 mol Ag}

(c) Mass of Ag

\text{Mass of Ag} =\text{3.147 mol Ag} \times \dfrac{\text{107.87 g Ag}}{\text{1 mol Ag}} = \textbf{339 g Ag}\\\\\text{The reaction produces $\large \boxed{\textbf{339 g}}$ of Ag}

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4 years ago
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The number of protons in an uncharged atom equals the number of electrons.

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(Based on q = -sm∆T)
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Answer:

Sn < Brass ≈ Zn <   Al  

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