How do you crystallise potassium nitrate?

Answer 1

It's probably going to be cheaper, easier, and a heck of a lot less messy to just go to the drugstore and buy it, but if you're really insistent on looking for a process you could theoretically do at home, the historic method was extraction from animal feces (yes, really). Hypothetically you could make it from nitric acid and potassium hydroxide, but if you can't find a place to buy potassium nitrate your chances of getting your hands on either of those are pretty low.

Answer 2

Potassium Nitrite is a salt formed from the reaction of nitrous acid and potassium hydroxide.

However, Potassium Nitrite is quickly decomposed in a solution to form nitric acid.

Thus it is much more easier to produce Potassium Nitrate rather than Potassium Nitrite.

Answer 3

NH4NO3 (aq) + KOH (aq) → NH3 (g) + KNO3 (aq) + H2O (l)

Often called the Harber Process

But the neutralisation of nitric acid by Potassium Hydroxide should do the same,

KOH (aq) + HNO3 → KNO3 (aq) + H2O (l)

just be careful its very exothermic

Answer 4

By slowly evaporation (by heating) of the water from the potassium nitrate solution; avoid melting or thermal decomposition.

Answer 5

By controlled heating and evaporation of the water from the solution.

Answer 6

The reaction is:

KOH + HNO3 = KNO3 + 2 H2O

Answer 7

Evaporating the water potassium chloride remain as a crystalline solid.

Answer 8

Evaporating the water crystals of potassium nitrate are obtained.

Answer 9

IT IS CALLED THE DRUG STORE