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2 years ago

Use the drop-down menus to identify the class of compounds to which each structure belongs.

Chemistry

1 answer:

inna [77]2 years ago

3 0

Answer:

1) carboxylic acid

2) ether

3) alkyl halide

4) amine

Explanation:

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A 0.2722 g sample of a pure carbonate, X n CO 3 ( s ) , was dissolved in 50.0 mL of 0.1200 M HCl ( aq ) . The excess HCl ( aq )

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0.00369 moles of HCl react with carbonate.

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Number of moles of HCl present initially = $\frac{0.1200}{1000}\times 50.0$ moles = 0.00600 moles

Neutralization reaction (back titration): $NaOH+HCl\rightarrow NaCl+H_{2}O$

According to above equation, 1 mol of NaOH reacts with 1 mol of 1 mol of HCl.

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Hence, 0.00369 moles of HCl react with carbonate.

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