Q: 1) PhN=C=S; 2) HF CF3CO2H HF 1) DCC; 2) HF NaOH, H2O 1) DCC; 2) CF3CO2H 1) DCC; 2) NaOH PhN=C=S DCC
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The solvent in KOH solution is ………………………
Water
H
OH
KOH
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- Benzoic acid, C6H5COOH, is much more soluble in NaOH(aq) than it is in pure water. Can you suggest a reason for this? of HO,5:23 O13%DE elearning.yu.edu.jo/m O A student was given 2 beakers labeled with numbers 1 and 2, each beaker contains a clear solution. Additionally, he was given two reagent bottles labeled with A and B. Now, he added reagent A to both beakers and he noticed the formation of a precipitate in beaker 2 but not in beaker 1. However, the addition of reagent B to both beakers resulted in the formation of a precipitate in beaker 1 but not in beaker 2. Based on the information, which of the following is correct? a. compound A is the limiting reactant in beaker 1. b. compound B is the limiting reactant in beaker 2. c. compound A is the limiting reactant in beaker 2. d. compound B will be the excess reactant in beaker 1. Question 2What weight of potassium hydrogen phthalate will require 30. mL of a 0.30M NaOH solution to reach the equivalence point? KHP MM 204.22 g/mol .CO;K' .CO;K' NaOH + H2O + *CO,H COƠ,Na'
- Calculate the formal concentration in m olarity of a sodium acetate soluti on prepared by diluting 22.5 mL. of a solution containing 25.0 ppm sodium acetate (NAC2H302) 82.03 g/mol to atotal of 0.500 liters of solution. 1. O2.75 x 10-5 Molar 2. O6.10 x 10-4Molar 3. O1.37 x 105 Molar 4. O5.48 x 10-6 MolarArrange the salts by their molar solubility in water. Most soluble Least soluble Answer Bank BaCO3 Mg, (PO,)2 Mg(OH), Al(OH);What would happen to the solubility of BaSO4BaSO4in a 0.10 M CaSO4 solution in comparison to its solubility in water?
- The solubility product (Ksp) for Pb(OH)2 (s) is 2.5 x 10-16. What would be the quantity of solubility by g/L of Pb(OH)2 which has Mwt = 241.2 g/mole)?The solubility of BaCrO, in water at 25 °C is measured to be 0.0037 -. Use this information to calculate K, for BaCrO4. sp Round your answer to 2 significant digits.23. The Ksp of CuCO3ls) (copper carbonate, a salt) is reported as 2.21x10-11. Determine the solubility (in mg/L) of 1this salt in pure water Constants: The molecular mass (M) of copper carbonate (CuCOg) is 123.554 g mol-1
- What is the molar solubility of MgF2 in a 0.40 M Mg(NO3)2 solution? For MGF2, Ksp = 9 x 108. %3D a. 3.2 x 104 M O b. 2.4 x 10 4 M c. 1.8 x 104 M O d. none of these Oe. 5.6 x 10-8 MThe solubility of sugar in tea when freshly brewed tea is cooled with ice will increase. decrease. not change. The solubility of CO2 in sparkling water when room temperature sparkling water is placed in an ice cooler will decrease. increase. not change. The solubility of KNO3 when a KNO3 solution is heated to 85 ∘C will not change. decrease. increase. The solubility of CO2 when tap water is heated on the stovetop will increase. decrease. not change.3. The solubility of CsF2(s) in water is 2.1 x 104 M. Calculate its Kap.
