D dsony2284 Full Member 10+ Year Member 15+ Year Member Oct 22, 2007 #1 Advertisement - Members don't see this ad . If you add a drop (about 0.05 mL) of 1.0 M HCl to one liter of pure water (assume pH 7.0), the pH would be
Advertisement - Members don't see this ad . If you add a drop (about 0.05 mL) of 1.0 M HCl to one liter of pure water (assume pH 7.0), the pH would be
Danny289 Member 10+ Year Member 15+ Year Member Oct 22, 2007 #2 dsony2284 said: . If you add a drop (about 0.05 mL) of 1.0 M HCl to one liter of pure water (assume pH 7.0), the pH would be Click to expand... Hi, approach for this problem : M1V1=M(V1+V2) V1= .05 is negible! 1=M(1000)====> M= 10^-3====> monoprotic Acid ==> N= M===> N=10^-3 then [H+]=10^-3==> [H+]=10^-PH ===> PH=3 hopefuly it helped, good luck Upvote 0 Downvote
dsony2284 said: . If you add a drop (about 0.05 mL) of 1.0 M HCl to one liter of pure water (assume pH 7.0), the pH would be Click to expand... Hi, approach for this problem : M1V1=M(V1+V2) V1= .05 is negible! 1=M(1000)====> M= 10^-3====> monoprotic Acid ==> N= M===> N=10^-3 then [H+]=10^-3==> [H+]=10^-PH ===> PH=3 hopefuly it helped, good luck
doc toothache Full Member 15+ Year Member Oct 22, 2007 #3 dsony2284 said: . If you add a drop (about 0.05 mL) of 1.0 M HCl to one liter of pure water (assume pH 7.0), the pH would be Click to expand... ml x M = ml2 x M2 0.05 x1 = 1000M2 M2= 5 x 10^5 (of HCl) since HCl is 100% ionized [H+]=M2 pH= 4.3 Upvote 0 Downvote
dsony2284 said: . If you add a drop (about 0.05 mL) of 1.0 M HCl to one liter of pure water (assume pH 7.0), the pH would be Click to expand... ml x M = ml2 x M2 0.05 x1 = 1000M2 M2= 5 x 10^5 (of HCl) since HCl is 100% ionized [H+]=M2 pH= 4.3
D dsony2284 Full Member 10+ Year Member 15+ Year Member Oct 22, 2007 #4 thank u so much. yes the answer is 4.3 so great job guys...👍 Upvote 0 Downvote
Danny289 Member 10+ Year Member 15+ Year Member Oct 22, 2007 #5 DOC is right .05 is neglible in right side of equation Upvote 0 Downvote