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kozerog [31]
3 years ago
6

What is true of a compound?

Chemistry
2 answers:
zalisa [80]3 years ago
7 0

Answer:

It does not always retain the properties of the substances that make it up

Explanation:

oksian1 [2.3K]3 years ago
6 0

Answer:

A/1

Explanation:

Compounds do <em>NOT</em> always retain the properties of the substances that make it up.

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Hydrogen and helium in the universe were formed by which of these phenomena?
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Which elements are more likely to lose electrons?<br> Ca, Li, F and Ne
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A bottle of wine contains 9.81 grams of C2H5OH, dissolved in 87.5 grams of water. The final volume of the solution is 100.0 mL.
dimulka [17.4K]

Answer:

[EtOH] = 2.2M and Wt% EtOH = 10.1% (w/w)

Explanation:

1. Molarity = moles solute / Volume solution in Liters

=> moles solute = mass solute / formula weight of solute = 9.8g/46g·mol⁻¹ = 0.213mol EtOH

=> volume of solution (assuming density of final solution is 1.0g/ml) ...

volume solution =  9.81gEtOH + 87.5gH₂O = 97.31g solution x 1g/ml = 97.31ml = 0.09731 Liter solution

Concentration (Molarity) = moles/Liters = 0.213mol/0.09731L = 2.2M in EtOH

2. Weight Percent EtOH in solution (assuming density of final solution is 1.0g/ml)

From part 1 => [EtOH] = 2.2M in EtOH = 2.2moles EtOH/1.0L soln

= {(2.2mol)(46g/mol)]/1000g soln] x 100% = 10.1% (w/w) in EtOH.

3 0
3 years ago
Please answer this question for 10 points
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In an experiment you are asked to react hydrochloric acid with sodium hydroxide. when measuring the volume of the reactants, whi
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Answer;

- A 100 mL graduated cylinder since it has marks showing the volume of the substance measured.

Explanation;

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