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![Calculate the chloride ion (CI-) concentration for a 0.203 M MgCl2 solution.
[CI] =
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- Ibuprofen (also known as Brufen) is an analgesic (pain killer) and anti-inflammatory drug. It is a weak carboxylic acid (Chemical Formula: C12H17C00H; K = 1.2 x 10-5). A Medical student from Lusaka Apex Medical University (LAMU) prepared a 0.4 M solution of Brufen to give to an accident victim with minor injuries but in a lot of pain. on i. Write a reaction equation showing how Brufen ionizes in water. ii. Write the acid ionization constant expression for Brufen iii. Calculate the percent ionization of Brufen in water Select one: O A C12H17COOH(ag) + H2OM → C12H17CO0'(aq) + H3O*(aq)} K = [C;;H1¬CO0"][H30*]. [C1,H17COOH][H=0] 0.55% %3D OB. + C12COO(ag) + H3O*(aq); K= [C1;;H17C00"][H,o*j. [C2H17COOH] C12COOH(a) + H2O¶ 0.55% C12COOH(ag) + H2O) → C12COO (aq) + H30*(aq), K = [C1;H3;C00"][H30*]. [C,2H17COOH][H=0] 0.0022 %3D [CH1,CO0"][H30*]. [C1H17COOH] Go O D. C12H17COOH + H2O C12H17CO0* + H3O*|K = 0.55% %3DSuppose a 0.48M aqueous solution of phosphoric acid (H,PO,) is prepared. Calculate the equilibrium molarity of HPO,. You'll find information on the properties of phosphoric acid in the ALEKS Data resource. Round your answer to 2 significant digits. M x10What mass of Na3PO4・12H2O would be needed to prepare 0.250L of a solution in which the Na+ ion concentration in 0.250 moles per liter?
- A solution of ammonium sulfate was prepared by dissolving 55.44g of (NH4)2SO4 in enough water to prepare a 2.00L solution. What is the concentration of ammonium ions in this solution?Calcium phosphate is a supplement used to treat calcium deficiencies that may be associatedwith low blood calcium, a parathyroid disorder, or osteoporosis and other bone conditions. Ifthe supplement has dissolved 3.5 x 10 -7 M of phosphate ions, what is the concentration of thedissolved calcium ions? Ksp = 2.07 × 10 −33 at 25 degrees CThe hydronium ion concentration of an aqueous solution of 0.591 M hypochlorous acid (K = 3.50×10-8) is [H3O*] = М.
- Using the square-bracket notation, express the concentration of chloride ions in a solution that is 0.250 M in sodium chloride(NaCl) and 0.25 M in magnesium chloride (MgCl2).Calculate the potassium ion (K+) concentration for a 0.144 M K,CO, solution. [K*] =Calcium phosphate is a supplement used to treat calcium deficiencies that may be associatedwith low blood calcium, a parathyroid disorder, or osteoporosis and other bone conditions. Ifthe supplement has dissolved 3.5 x 10 -7 M of phosphate ions, what is the concentration of thedissolved magnesium ions? Ksp = 2.07 × 10 −33 at 25 degrees C
- How many moles of Ba(OH)2 are present 295 mL 0.200 M Ba (OH)2?In one experiment, 0.0995M HCl was used to analyze soda ash and the following data were obtained: Mass of Na2CO3 0.2980 g Initial reading of HCl 0.20mL Final reading of HCl 20.00mL What is the percent Na2CO3 in the soda ash sample?What is the pOH for a solution at 25 °C that has a H3O+ concentration of 6.57 ×10-6 M? A 34.1 % (NH4 )2SO4 (molar mass = 132.1 g mol−1) has a density of 1.15 g mL−1. What is the molarity of this solution? (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation--examples include 1.23 and 120. and -123 and 123. and 12.3) Determine the boiling point of a solution that contains 78.5 g of compound W (molar mass = 132.5 g mol–1) dissolved in 1088.6 g benzene (C6H6; molar mass = 84.156 g mol–1; Kb = 2.53 °C m–1; boiling point of pure benzene = 80.1 °C). (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation--examples include 1.23 and 120. and -123 and 123. and 12.3) NEED HELP ASAP NO WORK NEEDED
