The solubility of SrCO3 in water at 25 °C is measured to be 0.0045 Round your answer to 2 significant digits. 1 0 X Use this information to calculate Ksp L for SrCO3.
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- Calculate the solubility of ZnCO3 in water at 25 °C. You'll find K data in the ALEKS Data tab. Round your answer to 2 significant digits. 0-4/2 x10 X ŚCalculate the solubility of ZnCO, in water at 25 °C. You'll find K data in the ALEKS Data tab. Round your answer to 2 significant digits. g_L x10 X 6The Ksp of magnesium hydroxide is 2.06 x 10-13. What is its solubility in g/100 g H20? Density of water is 1.00 g/mL. O 3.72 x 10-4 g/100 g H20 2.17 x 10-6 g/100 g H20 O 2.17 x 10-4 g/100 g H20 O 3.72 x 10-6 g/100 g H2O
- It is found that 27 g of a sample of acetylene, C₂H₂, dissolves in 1 L of acetone at 1.0 atm pressure. If the partial pressure of acetylene is increased to 11 atm, what is its solubility in acetone? X g/L 323calculate the solubility of ca3(po4)2 in water ksp = 2.07 x 10-33Calculate the solubility of PbF2 in water at 25 °C. You'll find Kp data in the ALEKS Data tab. sp Round your answer to 2 significant digits. 0₂ L x10 X 5
- Calculate the solubility of Ag,CO, in water at 25 °C. Round your answer to 2 significant digits. x10Solubility (mg/100 gH₂O) 10 8 6 4 2 0 10 20 Temperature NO 0₂ CO CHA 4 N₂ 2 30 40 (°C)Materials Needed solid I2 solid CUSO4-5H20 food dye solid (NH4)2SO4 heavy metals waste container halogenated waste container non-halogenated waste container semi-micro test tubes and rack regular test tubes and rack squash pipettes acetone cyclohexane propan-2-ol Method Part A: Solubility of ionic and molecular solids 1. Place a small amount (about the size of 1 grain of rice, see picture) of copper sulfate into each of three DRY semi-micro test tubes. Add 20 drops of water to the first test tube and gently flick the test tube with your finger to ensure mixing. 2. Repeat step 1 using acetone in place of water as the solvent in the second test tube. 3. Repeat step 2 replacing acetone with cyclohexane in the third test tube. Hold the test tubes against a white background to compare the solubility of copper sulfate in the three solvents and record your results. Discard these mixtures into the heavy metals waste container in the fume cupboard. Once these test tubes have been emptied you…
- The solubility of CuBr in water at 25 °C is measured to be 0.010 L Round your answer to 2 significant digits. 0 Dx1 x10 Ś Use this information to calculate K for CuBr. spThree common compounds used in "ice melt" are magnesium chloride, calcium chloride and sodium chloride. At 20EC, 37.45 g of CaCl2 was soluble in 50.0 mL of water, 135.75 g of MgCI2 was soluble in 250.0 mL of water and 360 g of NaCl was soluble in 1000 g of water. a. What is the solubility of each? Which is the most soluble at 20 deg. C? b. For the two alkali earth compounds, was hydration energy or lattice energy responsible for the solubility trend? For the compound that is the MOST soluble, what is the: c. Freezing point and boiling point1/T (K-¹) 2 N₂O5(g) → 4NO2(g) + O₂(g) K(S-¹) 4.87 x 10-3 1.50 x 10-³ 4.98 x 10-4 1.35 x 10-4 3.46 x 10-5 7.87 x 10-7 T (K) 338 0.0030 328 0.0030 318 0.0031 308 0.0032 298 0.0034 273 6.0037 The data in the table above provide the temperature dependence of the rate constant for the reaction shown. Complete the table with required information to 2 significant figures each. - a=-12571.42 In K, no units 5.3 - 6.5 7.6 8.9 Carefully construct a neat and well labelled graph/plot of In K (y-axis) versus 1/T (x-axis) in the appropriate quadrant (s), using EXCEL or the template below; then determine the slope and activation energy, Ea for the given reaction. Recall that the Arrhenius Equation is represented in a more useful form as In K= In A- (Ea/RT) & R= 8.31 x 10-³ kJ/mol-K. Determine by calculation, the value of Ea in kj/mole given that, slope = -E/R slope: - Ca = slope & - Ga= €ag Ea=-(-12571.42) x (8.3) x 10 Rg/mol-K) Ea=104.47 kj/md 10.3 - 14.1 Y = (-14.1)-(-5.3) = -8.8 x = (0.0037) -…