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Construct a new separation flow chart based only on the cations you identified in your unknown sample, a flow chart for the separation of a solution of containing Ag+ (white) , Fe3+ (red), and Pb2+ (yellow). Use any reagents that you used in lab. Provide the reasons why the cations are precipitated out by the specific reagents. Include any chemical equations for reactions that occur.
What volume of Cl2 gas, measured at 689 torr and 33 °C, is required to form 23 g of NaCl?
75.0 g of ammonium sulfate is placed in a 500.0 ml flask and diluted volume. What is the percent by mass concentration of this solution? (assume the solution density is 1.00 g/ml)
what is the ph of a solution prepared by mixing 50.0ml of 0.125M KOH and 50.0 ml of 0.125M HCl
The following names are all incorrect. Draw the structure represented by the incorrect name and give your drawing the correct name.
a 10.0 ml sample of liquid bleach is diluted to 100. ml in a volumetric flask. a 25.0 ml aliquot of this solution is
Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s) + H2O(l) --> Ca(OH)2(s). In a beaker, 1.45 g of H2O is added to 1.50g of CaO
Is the skeleton of caffeine flat. How might the structure of caffeine account for the fact that it sublimes at atmospheric pressure instead of melting
A standard Ni(s) |Ni^2+ (aq) || Ag^+ (aq) | Ag(s) is constructed and the standard potential is 1.03 V a) write a balanced reaction for the cell
Why do you suppose that the fewer resonance structures for the carboxylate are more effective at increasing the acidity of a carboxylic acid than those of the conjugate base of 2-naphthol
Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when heated, thus inflating the bag. 2NaN3(s) ------> 2Na(s) + 3N2(g) Calculate the value of w (work) for the following system if 14.7 g of NaN3 reacts comple..
barium hydroxidedissolves as followsbaoh2s ---gt ba2aq 2oh-aqhow many moles of baoh2 are required to make 1.0l of
If the nutritional calorie is equivalent to one kcal. One pound of body fat is equal to about 4.1 x 103 Calories.
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