If HNO2 has a molarity of 0.00052, what will it’s pH be

The answer to your question is pH = 3.3

Explanation:

Data

pH  = ?

[HNO₂] = 0.00052 M

pH measures the [H⁺] in a solution. It has a range of 0 to 14. Acids have a pH from 0 to 6.9, a neutral solution has a pH of 7.0 and alkalis have a pH from 7.1 to 14.

Formula

pH = -log [H⁺]

Substitution

pH = -log[0.00052]

Simplification

pH =- (-3.284)

-Result

pH = 3.3

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explanation:

answer: the value of enthalpy change will be -152.80 kj.

solution:

pressure = 1atm , temperature = = 298 k

given that pressure and temperature are same in both gases , the number of moles of both gases can be determined by the ideal gas equation.

according to reaction 3 moles no are reacting with 1 mol of ,then 0.49 mol of no will react with moles of ozone that is 0.16 moles of ozone. since, no is limiting reagent and is an excessive reagent.

enthalpy change for the reaction between the given volumes of the gases is :