3 years ago

What term defines a compound which contains a carbonyl bonded to an -OH group?

Chemistry

1 answer:

natka813 [3]3 years ago

3 0

I think that its a ketone.

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What is the volume of a solution that has a specific gravity of 1.2 and a mass of 185 g?

xz_007 [3.2K]

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Calculate the mass percent (m/m) of a solution prepared by dissolving 51.56 g of NaCl in 164.2 g of H2O. Express your answer to

denis-greek [22]

Answer:

"23.896%" is the right answer.

Explanation:

The given values are:

Mass of NaCl,

= 51.56 g

Mass of H₂O,

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As we know,

⇒ Mass of solution = $Mass \ of \ (NaCl+H_2O)$

= $51.56+164.2$

= $215.76 \ g$

hence,

⇒ $Mass \ percent =\frac{Mass \ of \ NaCl}{Mass \ of \ solution}\times 100$

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$=23.896 \ percent$

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Answer: A

Explanation:

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SCORPION-xisa [38]

1 mole of NH4NO3 requires absorption of 25.7 kJ/mol.
Therefore; 1 kJ of heat energy is absorbed by dissolving 1/25.7 moles of NH4NO3.
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