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3 years ago

Describe why some acids are strong while other acids are weak

Chemistry

1 answer:

Andrej [43]3 years ago

8 0

Answer:

<h2><em>I hope this help you. Mark me as brainliest and rate please</em></h2>

Explanation:

<em>the terms strong and weak as applied to acids. As a part of this it defines and explains what is meant by pH, Ka and pKa. </em>

<em>It is important that you don't confuse the words strong and weak with the terms concentrated and dilute. </em>

<em>As you will see below, the strength of an acid is related to the proportion of it which has reacted with water to produce ions. The concentration tells you about how much of the original acid is dissolved in the solution. </em>

<em>It is perfectly possible to have a concentrated solution of a weak acid, or a dilute solution of a strong acid. </em>

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iren2701 [21]

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2 years ago

Vitamin C contains only carbon, hydrogen, and oxygen. When a 1.00 g was combusted, 1.4991 g of CO2 and 0.4092 g of H2O were obta

Alina [70]

The empirical formula for this vitamin : C₃H₄O₃

<h3>Further explanation </h3>

The empirical formula is the smallest comparison of atoms of compound =mole ratio of the components

The principle of determining empirical formula

Determine the mass ratio of the constituent elements of the compound.
Determine the mole ratio by dividing the percentage by the atomic mass

Mass of C in CO₂ :(MW C = 12 g/mol, CO₂=44 g/mol)

$\tt \dfrac{12}{44}\times 1.4991=0.409~g$

Mass of H in H₂O :(MW H = 1 g/mol, H₂O = 18 g/mol)

$\tt \dfrac{2.1}{18}\times 0.4092=0.0455~g$

Mass O = Mass sample - (mass C + mass H) :

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mol ratio C : H : O =

$\tt \dfrac{0.409}{12}\div \dfrac{0.0455}{1}\div \dfrac{0.5455}{16}\\\\0.0341\div 0.0455\div 0.0341\rightarrow 1\div 1.33\div 1=3\div 4\div 3$

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2 years ago

Write the net ionic equation for the precipitation of calcium sulfide from aqueous solution

Fantom [35]

Answer:

Answer is Ca2+(aq)+S2-(aq)=>CaS(s)

Explanation:

I hope it's helpful!

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2 years ago

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HOPE IT HELPS YOU '_'

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2 years ago