Question #23299

show whether seawater of the composition given in the table satisfies electroneurality.( in order to show electro neutrality, the sum of the moralities of the cations multipled of the anions multipied by the charge of the anions)

Expert's answer

Composition of sea water

Component Concentration (mol / kg)

H2O

53,6

Cl-

0,546

Na

+

0,469

Mg2

+

0,0528

SO42-

0,0283

Ca2

+

0,0103

K

+

0,0102

C

0,00206

Br-

0,000844

B

0,000416

Sr2 +

0,000091

F-

0,000068

Au3

+

0,00000000002

The sum of anions is 0.575212

The sum of kations is 0.54239100002

So the sum of anions is greater then the sum of kations.

Component Concentration (mol / kg)

H2O

53,6

Cl-

0,546

Na

+

0,469

Mg2

+

0,0528

SO42-

0,0283

Ca2

+

0,0103

K

+

0,0102

C

0,00206

Br-

0,000844

B

0,000416

Sr2 +

0,000091

F-

0,000068

Au3

+

0,00000000002

The sum of anions is 0.575212

The sum of kations is 0.54239100002

So the sum of anions is greater then the sum of kations.

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