The solubility of AgCl(s) in water at 25 °C is 1.33 × 10-5 mol/L and its AH° of solution is 65.7 kJ/mol. Part A What is its solubility at 59.7 °C? Express your answer using two significant figures. SABC1 Submit 17 ΑΣΦ Previous Answers Request Answer 22 X Incorrect; Try Again; 28 attempts remaining ? M

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At 0 oC, the solubility of sodium acetate in water is 36.1 g per 100 g of water and at 40 oC, the solubility is 66.4 g per 100 g of water. A 100 g sample of sodium acetate is dissolved in 250 g of water at 40 °C. The solution is cooled to 0 °C and a small amount of solid is observed. This solution is ________. - hydrated -saturated -supersaturated - unsaturated

Consider the Solubility Curve for this Problem: Analysis for KClO3 & NH4Cl MW (KClO3) =  122.55 g/mol   ,   MW (NH4Cl) =  53.49 g/mol i) What is the temperature at which KClO3  & NH4Cl both have the same solubility?  Round to nearest degree. +/- 1°  T =  °C   ii) What is the solubility (g per 100g H2O) at this temperature.  Round to nearest gram.  +/- 1 g   s (KClO3) =     g/100g H2O   s (NH4Cl) =     g/100g H2O   iii) What is the molar solubility for KClO3 at this temperature?  Assume the density of the solution is 1.21 g/cc.  Round off to 2 sig. figs.   |s| KClO3 =       M iv) Calculate the Ksp for each of these chemicals at this temperature.    Ksp =    v)  What is the unit of Ksp for KClO3?   Unit for Ksp =

A sample of water is found to contain 0.012 ppm of Pb2* ions. Calculate the mass of lead ions per liter of this solution (assume the density of the water solution is 1.0 g/mL). O 5.9x10 g/L Pb2 O 1.2*10 g/L Pb O 1.2*10 11 g/L Pb2 O 1.2%10 5 g/L Pb2+ Activate Windows Go to Settings to activate Windo inspiron F10 F11 Backspac P F K Ente B Shift Alt Alt Ctrl

A sample of 7.63 g of Mg(OH)2 is added to 24.0 mL of 0.175 M HNO3- Part A Enter the chemical equation for the reaction that occurs. Express your answer as a balanced chemical equation. Identify all of the phases in your answer. ΑΣΦ 2¢ ? A chemical reaction does not occur for this question. Submit Request Answer Part B Complete previous part(s) Part C Complete previous part(s) Part D Complete previous part(s) Part E Complete previous part(s) Provide Feedback MacBook Pro Review C

178. Subject  :- Chemistry

A solution containing 78 g of NaNO3 in 70. g H2O at 50 ° C is cooled to 20 °C. Use the solubility data from the table below. Part A Solubility (g/100. g H2O) Substance 20 °C 50 °C How many grams of NaNO3 remain in solution at 20 °C? KCI 34 43 Express your answer in grams to two significant figures. NaNO3 88 110 ? C12 H22O11 (sugar) 204 260

Part A How many moles of solid sodium fluoride should be added to 5.0 L of a saturated solution of barium fluoride, BaF2, at 25 °C to raise the fluoride concentration to 0.029 mol/L ? Express your answer to two significant figures and include the appropriate units. n = 0.11 ? moles Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining

4- 30- [14] How many liters of the antifreeze ethylene glycol (HOCH₂CH₂OH, 54.09 g/mol) would you add to a car-radiator containing 6.50 L of water to keep it from freezing if the coldest winter temperature in your area is -20°C? Calculate the boiling point of this water-ethylene glycol mixture. (The density of ethylene glycol is 1.11 g/mL, the molal freezing and boiling point constants are respectively kf = 1.86°/m and kb= 0.52 °/m). & Page 5