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Which of the following statements is (are) true? Note: For this question, you will be able to make multiple selections. It is possible that only one of the choices is correct, but it is also possible that many of the choices are correct. A. strontium nitrate and calcium carbonate are soluble salts B. barium fluoride and lithium chloride are soluble salts C. barium nitrate and sodium phosphate are soluble salts D. copper (II) iodide and ammonium acetate are soluble salts E. silver bromide and calcium acetate are insoluble salts F. nickel (II) bicarbonate and lead (II) sulfate are insoluble salts G. barium bromide and barium sulfate are insoluble salts H. aluminum carbonate and silver iodide are insoluble salts
mixed 14.5 mL of a .500 M sodium flouride solution with 15.6 mL of a .750 M hydroflouric acid solution the measured Ph was 3.24. Calculate the pKa.
Oxalic acid, H2C2O4 has acid dissociation constants Ka1 = 5.9 x 102 and Ka2 = 6.4 x 105. What is the pH after 20.00 mL of 0.0500 M NaOH is added to 5.00 mL of 0.2000 M H2SO3.
A solution of 0.01M acetic acid is found to have a PH of 3.63 . Calculate the Ka for the acid
a 14.0 g sample of iron was heated from 10.0C to 20.0C it absorbed 15.2 of energy as heat based on this data what is the specific heat of this piece of iron?
The cis and trans geometric isomers of a compound can have different chemical and physical properties. Draw the structure of the geometric isomer of 2-pentene that has the lower melting point
The vapor pressure of pure CH2Cl2 (with molecular weight 85 g/mol) is 133 torr at 0?C and the vapor pressure of pure CH2Br2 (with molecular weight 174 g/mol) is 11 torr at the same temperature.
Calculate the degrees of unsaturation in a compound with the molecular formula C3H6 and draw two possible structures, including hydrogen atoms, for the formula.
What is the heat capacity of mercury if it requires 167 J to change the temperatures of 15.0g mercury from 25.0 Celsius to 33.0 Celsius
What is the initial pH of this buffer? 2. What is the pH of the buffer in question
What volume of H2 (at 25oC and 1.00 atm ) can be produced by reaction of 161 g Fe and 202 g of HCl? (Atomic weights: Fe = 55.85, Cl = 35.45, H = 1.008)
Consider the following precipitation reaction 2 Na3(PO4)2(aq) + 3CuCl2(aq) ----> Cu3(PO4)2 (s) + 6 NaCl (aq). What volume of 0.168 M NaPO4 solution is necessary to completely react with 91.4 mL of 0.117 M Cucl2
The boiling point of methanol (CH 3 OH) is 64.7 o C and delta H vap = 71.8 kJ/mol. What is delta S for the vaporization of 2.15 mol of CH 3 OH at 64.7 o C?
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