Experiment 6 A. Identification of True Hydrates Determining the Formula of an Unknown Hydrate Compound Color of solution before heating Water droplets after heating (Yes/No) Color of the Color of solution True hydrate residue after adding (Yes/No) after water to the heating residue Nickle(II) chloride wean force yes Sucrose shte es Grange Pale Green Yes Dok Byes Cobalt(II) chloride Pole yes Bue Potassium chloride de No kshite white Yes NG B. Determine the Formula of an Unknown Hydrate Unknown sample number. Molecular formula of the unknown: 1. Mass of crucible + unknown hydrate 2. Mass of crucible 3. Mass of unknown hydrate(1-2) 4. Mass of crucible + anhydrous salt a. after first heating b. after second heating 5. Mass of unknown anhydrous salt (4b-2) 6. Mass of water lost (1-4b) #11 NISO 24 104389 23.0559 0.9889 23.6429 23.62 0.5879 04019 Calculations: 1. Calculate the formula mass/molar mass of the anhydrous salt of your unknown sample (show calculations). 2. Calculate the number of moles of the anhydrous salt (show calculations). 3. Calculate the number of moles of water in the unknown hydrate (molars mass of H₂O 18.02 g/mol). Show calculations. 4. Determine X: show calculation step x= 5. Molecular formula of your unknown hydrate:.

Core Chemistry Skill: Calculating Concentration Part C Calculate the mass/volume percent (m/v) of 15.0 g NaCl in 60.0 mL of solution. Express your answer to three significant figures. ►View Available Hint(s) esc Mass/volume percent (m/v) = Submit Part D Molarity Calculate the molarity (M) of 150.6 g of H₂SO4 in 1.110 L of solution. Express your answer to four significant figures. View Available Hint(s) Submit 7 — ΑΣΦ F1 6,566 IVD| ΑΣΦ @ 2 F2 t O FILET ㅁㅁ # F3 O ? M $ F4 1? % % F5 MacBc

Help with #6 please

Molarity of NaOH Solution 0.15 M NaOH   Trial 1 Trial 2 Trial 3 Mass of diprotic acid (H2A) 0.242 g 0.222 g 0.223 g Volume of NaOH soln. titrated 32.50 mL 31.2 mL 30.01 Moles of NaOH 0.004875 0.004875 0.004875 Moles of diprotic acid (H2A)       Calculated Molar mass of acid (H2A)           Average Molar Mass of diprotic acid (H2A)