1) if 0.193 grams of toluene is dissolved in 2.532 grams of p-xylene, what is the molality of toluene in the solution? 2) if a freezing point depression of 3.57°celcius is measured for the solution described in question 1, calculate for p-xylene.3) suppose you dissolved 0.123 gram of pentane in 2.493 grams of p-xylene and measured a freezing point depression of 2.88°celcius for the solution. calculate the molar mass of pentane using this data and the value for that you calculated in question 2.

Bridget is in science class. her teacher gives her two unknown substances and asks her to determine their relative ph. she places a piece of red litmus paper into both substances. the litmus paper turns purple when she places it into substance i. the litmus paper turns blue when she places it into substance ii. a. substance i is a neutral substance and substance ii is an acid. b. substance i is a neutral substance and substance ii is a base. c. substance i is an acid and substance ii is a base. d. substance i is a base and substance ii is a neutral substance.