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ANEK [815]
1 year ago
6

What is the ph of an aqueous solution with a hydrogen ion concentration of [H+]=1. 2×10^−8 m?

Chemistry
1 answer:
il63 [147K]1 year ago
4 0

The pH of an aqueous solution with a hydrogen ion concentration of [H+]=1. 2×10^−8 m is  7.92.    

The entire form of pH is potential of Hydrogen. pH is called the poor logarithm of H+ ion attention. hence the that means of the name pH is explained because the energy of hydrogen. pH describes the concentration of the hydrogen ions in a solution and it's miles the indicator of acidity or basicity.

pH is an important amount that reflects the chemical conditions of an answer. The pH can manage the provision of vitamins, organic features, microbial activity, and the conduct of chemical substances.

pH stands for capacity hydrogen and it's used to explain the acidity or alkalinity of a substance. The pH scale is measured from 1 to fourteen. 7 is impartial and the lower the quantity, the extra acidic and the higher, the greater alkaline.

explaination,

[H+]=1. 2×10^−8 m

log[h+] = 1. 2×10^−8 m

        =   8 - log (1.2)

        =   8 - 0.079

PH  = 7.921    

Learn more about pH here:-brainly.com/question/172153

#SPJ4

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When 86.5 g of calcium chlorate decomposes into calcium chloride and oxygen, how many grams of oxygen are produced? Ca(ClO3)2 →
natita [175]

Answer:

40.1 g

Explanation:

The <em>balanced equation</em> is:

  • Ca(ClO₃)₂ → CaCl₂ + 3O₂

First we <u>convert 86.5 g of calcium chlorate into moles</u>, using its<em> molar mass</em>:

  • 86.5 g Ca(ClO₃)₂ ÷ 206.98 g/mol = 0.418 mol Ca(ClO₃)₂

Then we <u>convert Ca(ClO₃)₂ moles into O₂ moles</u>, using <em>the stoichiometric coefficients of the balanced reaction</em>:

  • 0.418 mol Ca(ClO₃)₂ * \frac{3molO_2}{1molCa(ClO_3)_2} = 1.254 mol O₂

Finally we <u>convert O₂ moles into grams</u>:

  • 1.25 mol O₂ * 32 g/mol = 40.1 g O₂
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Your answer is correct.

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:-) ;-)
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