a solution that is 0.115 M in HC10 and 0.170 M in KCIO (K, (HCIO) = 2.9 x 10-8) %3D Express your answer to two decimal places. ΑΣΦ pH %3D a solution that contains 1.07 % C2H;NH2 by mass and 1.19% C2 Hs NH3B by mass (K(C,H;NH2) = 5.6 x 10-4) Express your answer to two decimal places. pH = a solution that has 13.5 g of HC2 H3O2 and 13.5 g of NaC2H3O2 in 150.0 mL of solution (K.(HC2H3O2) = 1.8 x 10-5) Express your answer to two decimal places. ΑΣΦ pH = %3D

My results do follow the statement that KHT has a low solubility at room temperature that generally increases with temperature.

Name: Date: Section: Report Sheet: Determination of Molecular Weight Through Freezing Point Depression Analysis 30 Part A: Volume of Cyclohexane mL Mass of cyclohexane (d =0.7786 g/mL) 6.0 °C Freezing Point of cyclohexane 128 Part B: Molecular Weight of Naphthalene g/mol 0.23 Mass of Sample 1 Moles of Sample 1 Mass of Sample 2 0.18 Moles of Sample 2 Moles m (mol/kg solvent) T,('C) AT, Naphthalene 5.1 TRIAL 1 5.3 TRAIL 2 k, Cyclohexane CC/m) Part C: Unknown Number 0.21 0.19 Mass of Sample 1 Mass of Sample 2 Grams Unknown T,('C) AT 0.21 4.8 TRIAL 1 0.19 5.0 TRAIL 2 Moles UnknownTRIAL 1 (moles) TRIAL 2 (moles) TRIAL 1 (g/mol)TRIAL 2 (g/mol) Molecular Weight Unknown (g/mol) AVERAGE MOLECULAR WEIGHT OF UNKNOWN

3. Standard white vinegar you can buy in the grocery store is 5% concentration. That means 5% of the liquid vinegar is acetic acid and 95% of the solutioni is water. In a hardware store, you can buy industrial strength vinegar, which is 30% concentration. This means that 30% of the vinegar is acetic acid, and the remaining 70% is water. Samuel does another experiment, this time with 5% vinegar and 30% vinegar. He sets up two science fair volcanoes (in no particular order), each with the same temperature, mass of baking soda and volume of vinegar. But one volcano uses 5% vinegar and the other volcano uses 30% vinegar. He measures the volume of gas production for the'first minute of each reaction, and he records the data below. Volcano # 1 Volume of gas produced (m) vs Time (s) for Volcano t Time (s) Volume of gas produced (mL) 10 25 38 40 20 30 46 30 Volume of gas produced (ml) 50 40 50 52 60 53 40 Time ( 20 60 Volcano 2 Volume of gas produced iml) vs. Time is) for Vocano 2 Volume of…