11 Replies
@Dexter
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.cant understand hindi sir...sorry
iteachchem
Transcription requested by TempestUknow
That's all right. That's all right. Parts per million, right? You do one part in a million parts. That's all it is. It's just like saying percent. Percent is 1 by 100. Per million is 1 by million. It's literally as simple as that. So whatever logic you apply for percent, the same logic you apply for per million. So you multiply something. If you say if someone says 20%, it's 20 out of 100 parts. If you say 20 parts per million, it's 20 out of a million parts. Of what? Usually mass. That's what you look at. If it's volume, volume by volume, mass by mass. That's it. So instead of multiplying into 100, you multiply by 10 power 6. Does that make sense? You can check the video out. I know you have difficulty understanding Hindi, but that doesn't matter. Look at the stuff I've written and look it up online to see some more theory if you want. You can check out Khan Academy videos, Organic Chemistry Tutor. I'm sure they all have videos on EPM in English.
basically a very dilute solution
i mean the formula of ppm says it all
Chemistry LibreTexts
8.3: Concentrations of Solutions
here you go dude.
shall we close this one out?
sorry sir, been a little busy with exams lately, will reopen it as i dont have a real clear understanding but will refer the websites, thanks sir
+solved @iTeachChem @trin
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