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6 Nov 2019

Determine which (if any) of the compounds listed below are an acid.

If the compound is an acid, type "yes" in the blank next to it.

If the compound is NOT an acid, type "no" in the blank next to it.

HC9H7O3: ___________

H2C2O4: __________

C2H5Br: ____________

HClO2: ___________

NH3: ___________

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Casey Durgan
Casey DurganLv2
9 Sep 2019

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Related questions

In an experimental lab problem, a particular mixture contains three out of the four compounds listed in the table below.

Compound

Soluble in:

Cold water

Hot water

3M HCl

3M NaOH

Benzoic acid

No

Yes

No

Yes

Mg(OH)2

No

No

Yes

No

Na2SO4

Yes

Yes

Yes

Yes

Zn(OH)2

No

No

Yes

Yes

The mixture is extracted with hot water and then filtered. Compound A is obtained by evaporating the filtrate to dryness. Compound A would not dissolve in 3M HCl.

The solid residue containing the other two compounds dissolves completely in 3M HCl. Then, when excess 3M NaOH is added, Compound B forms a solid again.

After compound B is removed by filtration, the solution is evaporated to yield Compound C as a solid.

What are the identities of Compounds A, B and C?

A.

Benzoic acid
B.

Mg(OH)2
C.

Na2SO4
D.

Zn(OH)2

Not sure what I'm doing wrong, please help.

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