You HAVE TO know that molarity (M) tells you the number of moles of a solute per Liters of solution.
M=mol/L
0.3M = 2.7 mol/ Volume
Volume = 2.7 mol/3.0 L
Volume = 0.9 L
Answer:
WHYYYYYYYYYYYYYYYYYYYYYYY
Explanation:
you said you didnt mean to post it but still typed it and posted it LOLLLLLLLLLLLLLL
The last row going across
Easy peasy! All we need to do is plug this formula into our calculator:
-log(M)
So, we'd plug in -log(.2), which is 0.7 :)
