_______ is the molecular formula of potassium nitrate.

-KNO3 is the molecular formula of potassium nitrate.
-It is an ionic salt of potassium ions (K+) and nitrate ions (NO3-). Hence it is an alkali metal nitrate.
 

🔑Key Points:

✏️The Potassium nitrate formula structure is given below:

-It is a crystalline solid which is white to smoky grey in colour.
-It is odourless and has a cooling, saline sharp taste.
-In its anhydrous form, it is colourless while in its natural form, it occurs as a mineral nitre