Chemistry 2011 MC question 8

[kimk2kr]

i actually have two questions.

1) mc question 8..
i have no clue whats going on.... please explain thanks!

and
2) when you do like volumetric analysis or gravimetric analysis does the working out have to be in correct sig fig?
or is just the answer thats required in sig fig?

thanks!

p.s. good luck for tomorrow everyone!

[Mao]

1) mc question 8..
i have no clue whats going on.... please explain thanks!

Post the actual question plz

2) when you do like volumetric analysis or gravimetric analysis does the working out have to be in correct sig fig?
or is just the answer thats required in sig fig?

Answer is enough. Though you could be good and keep everything to the correct s.f. (which is what you're meant to do, but no one does it)

[kimk2kr]

alrightt thankss!


http://www.vcaa.vic.edu.au/vcaa/vce/studies/chemistry/exams/2011/2011chem1-w.pdf

the questions got too many diagrams haha so ill just post the exam paper

thanks anyway

[sin0001]

The actual question is:

[kimk2kr]

The actual question is:

you are like god

thanks!!!

[Mao]

Judging from the fact that it's more water soluble: the common way to make a drug more soluble is by making it an ion. D is the correct answer.

[ligands]

is this why they make aspirin with the na+ on it? if they want to be soluble

[Mao]

is this why they make aspirin with the na+ on it? if they want to be soluble

yep

[kimk2kr]

im still quite confused.....

but i guess thats reasonable haha