Hey there!
pH = - log [ H⁺ ] = 3.52
[ H⁺ ] = 10^-pH
[ H⁺] = 10^ ( -3.52 )
[H⁺] = 3.02*10⁻⁴ M
[HA] =0.175 M
Therefore:
Ka = [ H⁺]* [A⁻] / [ HA]
Ka = (3.02*10⁻⁴)² / 0.175
Ka = 9.1204*10⁻⁸ / 0.175
Ka = 5.2*10⁻⁷
Hope that helps!
Answer:
The concentration is 0,2925M
Explanation:
We use the formula
C initial x V initial = C final x V final
11,7 M x 25 ml = C final x 1000 ml
C final= (11,7 M x 25 ml)/1000 ml = 0, 2925 M
(This formula applies to liquid solutions)
Hydrogenation is a process that involves adding hydrogen to the double bonds in unsaturated fatty acids to extend the shelf-life of food products.
<h3>What is
hydrogenation?</h3>
Hydrogenation can be defined as a chemical process that involves an addition of hydrogen to the double bonds in unsaturated fatty acids to extend the shelf-life of food products.
<h3>The purpose of
hydrogenation.</h3>
In Science, some of the purpose of hydrogenation include the following:
- Conversion of liquid oil into solid fat.
- To alter a fat's consistency level.
- To stabilize a fat or an oil.
Read more on unsaturated fatty acids here: brainly.com/question/1580524
Answer is: 1. HClO₃; (chloric acid).
Balance chemical reaction (dissociation):
ClO₃⁻(aq) + H₂O(l) ⇄ HClO₃(aq) + OH⁻(aq).
According
to Bronsted-Lowry theory acid are donor of protons and bases
are acceptors of protons (the hydrogen cation or H⁺).
The chlorate anion (ClO₃⁻) is Bronsted base and it
can accept proton and become conjugate acid HClO₃..
Answer:
mass of CH4 = 14
Molecular mass of CH4 16.04gmol
No of mole of CH4 = 14/16.04
No of mole of CH4 = 0.8728mol
Stoichiometrically, from the above
2 Molecules of Hydrogen will produce 1molecule of methane
Therefore, 2*0.8728 mole of Hydrogen will produce 0.8728mol of Methane.
The no of molecule of hydrogen is 1.7456
