Chemistry, 18.12.2020 07:10, MaxHunter8377
Point q is plotted on the coordinate grid point poi’s a (30, -30 point r is vertically above point q it is at the Same distance from point q as point p from q which of these shows the coordinates of point r and it’s distance from point q
Answers: 2
Chemistry, 22.06.2019 18:00, kingamir
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
Chemistry, 23.06.2019 09:20, weridness80
Which of the following occurs along coasts during the day?
Answers: 3
Point q is plotted on the coordinate grid point poi’s a (30, -30 point r is vertically above point q...
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