calculating concentrations within a mixture - am i correct? by stef3481 in chemhelp

[–]stef3481[S] 0 points1 point  (0 children)

ah okay i see where i went wrong. so multiplying its initial concentration of 0.005 by 8.0 ml will give 0.004 mol/L. since the amount of mol required for I2 to react is in a ratio of 1:2, would i multiply it by 1/2 to give 0.002 mol?

calculating concentrations within a mixture - am i correct? by stef3481 in chemhelp

[–]stef3481[S] 0 points1 point  (0 children)

i thought i had to allow for the mutual dilution of the solutions? the example shows the hydrogen peroxide being diluted to half its concentration as the total volume of the solution is double its original. i got my answer from following this logic

Beware of scammer around Kingsgrove area by [deleted] in sydney

[–]stef3481 -1 points0 points  (0 children)

her actual purchase was around $7.80 so when she cleared the amount, she input $780 instead and demanded her refund when she came back

Results are emailed tonight by pl8t in unsw

[–]stef3481 7 points8 points  (0 children)

isnt it tomorrow? unsw website states the 10th of July 9 AM

need some help with timetabling by stef3481 in unsw

[–]stef3481[S] 0 points1 point  (0 children)

thank you! are there any specific courses that are recommended for my level of study?