0
For Kovac's reagent what concentration of hydrochloric acid do you use?
Wiki User
∙ 16y ago
Most recipes just specify 'concentrated' HCl. That could mean 32 % or 37 %. One or two specify 32 %. Now, HCl 32 % w/w = 37 % w/v and HCl 37 % w/w = 44 % w/v, and since the HCl in Kovacs Reagent is mixed 1:3 (by volume) with isoamyl alcohol, the final concentration of HCl will be 9.25 % w/v or 11 % w/v respectively. Further, some recipes specify a 1:3 mixture by mass - resulting in proportionally much less HCl. So it's not critical. I'm using 32 %.
Wiki User
∙ 16y ago
Add your answer:
Earn +20 pts
Is hydrochloric acid a reagent?
chemical reagent
Is hydrochloric acid a dilute acid?
Hydrochloric acid can be either concentrated or dilute, depending on its specific concentration in water.
How can hydrochloric acid exist in stomach without hurting you?
The concentration of hydrochloric acid in stomach is not so great; but above the normal concentration HCl is dangerous.
How fast does hydrochloric acid work?
It depends on what is "working" and what the concentration of it is.
Theoretical value for the concentration of hydrochloric acid?
1. In this case theoretical is a word without sense.2. Generally the concentrated hydrochloric acid has a concentration of 36,5 %, but - of course - other concentrations can be prepared.
Is hydrochloric acid a reagent?
chemical reagent
Is hydrochloric acid a dilute acid?
Hydrochloric acid can be either concentrated or dilute, depending on its specific concentration in water.
How can hydrochloric acid exist in stomach without hurting you?
The concentration of hydrochloric acid in stomach is not so great; but above the normal concentration HCl is dangerous.
How fast does hydrochloric acid work?
It depends on what is "working" and what the concentration of it is.
How quickly an indigestion tablet reacts with hydrochloric acid depends on the concentration of the acid?
FAST
What is Lucas reagent?
This is a mixture of concentrated hydrochloric acid and anhydrous zinc chloride (which acts as a catalyst). To prepare, mix 136.29 g of anhydrous zinc chloride (ZnCl2) with 105 g of concentrated hydrochloric acid (HCl). Place beaker in an ice bath, due to the exothermic reaction. Stir with a glass rod until all ZnCl2 is dissolved.
How can you determine the strength of hydrochloric acid?
If you know for certain it's hydrochloric acid and nothing else, you could take the pH and determine the concentration from that.
Theoretical value for the concentration of hydrochloric acid?
1. In this case theoretical is a word without sense.2. Generally the concentrated hydrochloric acid has a concentration of 36,5 %, but - of course - other concentrations can be prepared.
What is the conductivity of Hydrochloric acid?
That's a difficult question to answer, because "pure" hydrochloric acid is a gas at room temperature, and the conductivity of a solution of hydrochloric acid depends on the concentration.
How is dilute hydrochloric acid different from concentrated hydrochloric acid?
In concentration: up to (max.) 18 M = concentrated dilute = lower the 1 M
What is pH of a hydrochloric acid?
The pH value of the solution depends on the strength of the acid, in other words, acid concentration.
Lucas reagent is used to test what homologous series?
Lucas reagent is used to test for the presence of alcohols in a substance. It is made from anhydrous zinc chloride and concentrated hydrochloric acid.
