4 because I said so my dude djdjdndjd
Answer:
Calculate the amount of solvent needed to prepare 50g of 10% solution of tincture Iodine.
Name the solvent
Explanation:
sodium
Hope it is helpful.....
Answer: CF4
Explanation:
Calculate the molar mass of each compound. Divide the molar mass of Carbon by the molar mass of each compound, then multiply the answer by 100 to get the percentage.
CF4= 12+(19X 4)
=12+76= 88 g/mol
%C= 12/88 x 100= 13.64%
CO2= 12+(16 X 2)
12+32= 44 G/MOL
%C= 12/44 x 100= 27.3%
CH4= 12+ (1 X4)
=12+4
=16 G/MOL
%C= 12/16 X 100= 75%
C204
(12X2) + (16X4)
24+64
= 88 g/mol
%C= 24/88 x 100
= 27.3%
C i think i got this off of usa test prep in class
Isotonic refers to a solution having the same water potential as compared to another solutions such that there is no net movement of water molecules across a membrane when these two solutions are put together