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dalvyx [7]
3 years ago
7

Balance equation of calcium carbonate+water​

Chemistry
2 answers:
const2013 [10]3 years ago
6 0
CaCo3+H2O=Ca(OH)2+CO2
Vera_Pavlovna [14]3 years ago
3 0

Explanation:

Ca(OH)2 + CO2 --> CaCO3 + H2O.

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Calculate the ph of a solution with a [H3O+]=5.6x10-9M
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               pH  =  8.25

Explanation:

                   The acidity or basicity of a solution is measured by its pH. The pH scale ranges from 0 to 14. Solutions having pH from 0-6.9 are considered acidic, at 7 neutral and basic when ranging from 7.1-14.

pH is calculated as,

                                 pH  =  - log [H⁺]   ---- (1)

Where;

            [H⁺]  =  concentration of Acid

Also, for bases pH i calculated using following formula,

                                 pH  =  14 - pOH

Therefore, Putting value of H⁺ in equation 1,

                                 pH  =  - log [5.6 × 10⁻⁹]

                                pH =  8.25

The solution provided is basic in nature.

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