pH solution preparation
Posted: 22 Oct 2008, 09:17
I have been given 2 methods to make up pH solutions which are both different. Are these right or not??
Method 1:pH 2 (1ml of 1M HCl in 99mls water)
pH 4 (1ml of pH2 soln in 99mls water)
pH 6 (1ml of pH4 soln in 99mls water)
Method 2: pH 2 (1ml of 0.1M HCl in 10ml water)
pH 3 (1ml of pH 2 in 10ml water)
pH 4 (1ml of pH3 in 10ml water)
Method 1:pH 2 (1ml of 1M HCl in 99mls water)
pH 4 (1ml of pH2 soln in 99mls water)
pH 6 (1ml of pH4 soln in 99mls water)
Method 2: pH 2 (1ml of 0.1M HCl in 10ml water)
pH 3 (1ml of pH 2 in 10ml water)
pH 4 (1ml of pH3 in 10ml water)