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Whys that?

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Does anyone have it? preferably with solutions please

hey viraj ;)

Yeah sorry aha, i have seemed to calculate just pH instead of pOH, forgot to do 14-3.5, thankyou very much :)

Shit, no as in i got A****

A 250 mL sample of rainwater is titrated using 0.0095 mol L-1 sodium hydroxide solution. If 8.3 mL of the sodium hydroxide solution was required to reach the endpoint, what was the pH of the rainwater? (A) 0.54 (B) 3.50 (C) 4.50 (D) 5.40 Apparently the answer was B, but i got 3.5 in my working...

Sorry i forgot to mention, but the actual physics hsc papers themselves

Hi, just wondering if anyone had physics HSC papers from 2001 - 2014 with worked solutions?

Hey, just wondering if anyone had the barker 2unit maths 2010 trial solutions? Thanks :lol: