A chemist performs the following reaction to make sodium nitrate
2 answers:
Answer:
The salt (Sodium Nitrate) is prepared by the reaction of nitric acid and sodium hydroxide. The reaction is also known as neutralization reaction.
Explanation:
The reaction between nitric acid () and sodium hydroxide (NaOH) will result in the formation of salt (Sodium nitrate). The balanced reaction between nitric acid and sodium hydroxide is shown below
is a strong acid and NaOH is a strong base. This reaction is an example of neutralization reaction.
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Answer:
The pH is equal to 4.41
Explanation:
Since HClO is a weak acid, its dissociation in aqueous medium is:
HClO ⇄ ClO- + H+
start: 0.05 0 0
change -x +x +x
balance 0.05-x x x
As it is a weak acid it dissociates very little, in its ClO- and H + ions, so the change is negative, where x is a degree of dissociation.
the acidity constant when equilibrium is reached is equal to:
The 0.05-x fraction can be approximated to 0.05, because the ionized fraction (x) is very small, therefore we have:
clearing the x and calculating its value we have:
the pH can be calculated by: