Gimnazija Šentvid LjubljanaGimnazija Šentvid Ljubljana

WATER AS A SOLUTIONWATER AS A SOLUTION

ACIDS, BASES, pH

Gimnazija Šentvid Ljubljana

GENERAL IDEAGENERAL IDEA

To combine ICY 2011 with regular school schedule

and curriculum,

to compare acidic, basic solutions and

water from tap regarding its pH value,

to learn laboratory skills on high school level,

to promote experiential and collaborative teaching

and learning

Gimnazija Šentvid Ljubljana

PART OF STUDENTSPART OF STUDENTS‘‘ REPORT REPORT

Sample Measured

pH value

Calculated

pH value

0,1 M HCl 1,2 1

0,1 M CH3COOH 2,5 2,8

0,1 M NaOH 13,3 13

0,1 M NH3 11,1 11,1

Tap water 6,9 approx. 7

Gimnazija Šentvid Ljubljana