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Question- Qualitative chemistry help separating 4 ions using chemicals found in a general chemistry lab (for ex. HCl, NaOH, HNO3, etc)Make a flowchart/procedure for how one would separate 4 of these ions 1 by 1.
The four ions in your solution are- Pb^2+, Sb^3+, Co^2+, Fe^2+/3+
I previously know Pb will precipitate with 6M HCl.
Express your knowledge to solve the above question
Problem- What is the buffer range of a solution composed of equal molar concentration of phenol and sodium phenolate. (Ka = 1.3x10-10)
This given reaction: 2 O3(g) -→ 3 O2(g) has an empirically determined rate law (with a single unimolecular event). Determine what is the observed rate If k =4.0 × 105s-1, [O2] = 0.2M and [O3] = 0.5 M?
AT high temperatures phosgene (COCl2) decomposes to gve carbon monoxide CO and Cl2. In a typical experiment , 0.631g of COCl2 is injected ito a flask of volume 472cc. When equilibrium is established, it is found that the total pressure is 2.175atm..
If the average speed of an oxygen molecule is 4.05multiplied by 104 cm/s at 25°C, what is the average speed of a CO2 molecule at the same temperature?
draw the lewis dot structures for ammonia and for the ammonium ion. write the net ionic equation for the conversion of
How do you understand the following terms: "carbon loading" and "bonding density" for RP HPLC packing material? Which one is the most important for HPLC? Explain.
Suppose that 0.650mol of methane, \rm CH_4(g), is reacted with 0.800mol of fluorine, \rm F_2(g), forming \rm CF_4(g) and \rm HF(g) as sole products. Assuming that the reaction occurs at constant pressure, how much heat is released
What are the major species present in 0.250 M solution of each of the following acids. Calculate the pH of each of these solutions.
How many joules of heat are needed to completely vaporize 24.40 grams of water at its boiling point? Given ΔHvap = 40.6 kJ/mol
The solubility of an ionic compound M2X3 (molar mass = 200. g) is 2.3 multiplied by 10-17 g/L. What is Ksp for the compound?
Define the nickle II ion concentration in the voltaic cell under standard conditions if the cell potential is 0.34 V at 25 degrees Celsius Zn(s) Zn2+(1.00 M) Ni2+ (aq) Ni(s)
Question- The metal titanium has a body centered cubic unit cell. the density of titanium is 4.50 g/cm^3. Calculate the diameter of titanium in angstrons (1 angstrom= 10^-8 cm)
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