Perform the starred problems without a calculator. Ph calculations find the ph of the following acidic solutions.
While it s theoretically possible to calculate a negative ph ph values should be between 0 and 14 in practice.
Ph calculations worksheet. 1 a 0 001 m solution of hcl hydrochloric acid. 3 a 1 34 x 10 4 m solution of hydrochloric acid. The ph of the solution is 12 3.
The question asks us to find the ph of the solution so we will need to convert poh to ph. To do so we simply subtract the poh from 14. What is the ph of a 0 020m.
2 a 0 09 m solution of hbr hydrobromic acid. 5 a 7 98 x 10 2 m solution of hno 3 nitric acid. This is a basic solution concentration is of oh.
How do you calculate ph. Microsoft word 11 11a b ph calculations wkst key doc author. Some of the worksheets displayed are calculating ph and poh work work ph calculations name acid and base ph calculations supplemental work key ph practice work acids bases calculations practice work ph and poh ph poh h oh work.
A ph value of more than 7 indicates a n solution. Determine the ph of a 0 010 m hno 3 solution. 3 what is the ph of a 6 50 x 10 3 m koh solution.
Some of the worksheets for this concept are calculating ph and poh work chapter 16 work 1 buffers and the henderson acidsbases ph work ap chemistry ph acids and bases work 1 ph and poh acid and base ph calculations supplemental work key chem 321 lecture 11 titrations work. Calculate the ph of a 0 0010 m naoh solution. When you re performing ph calculations always make sure your answers make sense.
For a ph or poh value the only sig figs are the numbers to the right of the decimal point. This means that a. Displaying top 8 worksheets found for how do you calculate ph.
Chem 1020 ph calculations worksheet fill in the empty blanks and tell whether the solution will be acidic basic or neutral. Because sodium hydroxide is a strong base it makes sense that the ph is above 7. 4 a 2 234 x 10 6 m solution of hi hydroiodic acid.
Calculating ph and poh worksheet w 335 everett community college tutoring center student support services program 1 what is the ph of a 0 0235 m hcl solution. What is the ph of a 2 5 x 10 6 m solution of hcl. An acid should have a ph much less than seven usually one to three and a base should have a high ph value usually around 11 to 13.
2 what is the poh of a 0 0235 m hcl solution. Calculate the ph of a solution of 0 0025m h 2so 4. Once you find your worksheet click on pop out icon or print icon to worksheet to print or download.
So ph 4 73 has 2 sig figs. Show all work and circle the final answer. Brent white created date.