Im doing a science fair project and i need to find out what are the constents in my project i have to presnt tomorrow i need !

The constents would be anythign that stays the same in ever experiment. 

Example:  Growing sunflowers in different liquids 

The constants could be: Type of dirt used to grow each, amount of liquid used to water, and the type of sunflowers grown. 

Hno3(aq) → h+(aq) + no3−(aq). picture ii best represents the strong acid hno3. strong acids are strong electrolytes