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Is there a correlation between the position of a metal ion in the periodic table and the colour (or lack of colour) of the ion in solution? Explain
The density of copper is 8.92 g/cm3 and the density o zinc is 7.14 g/cm3. Assume that the density of the brass varies linearly with composition.
The Ksp for Cr(OH)3 is 1.6 x 10?30. What is the molar solubility of Cr(OH)3 in a buffer solution with a pH of 11.5. Hint: what is the balanced reaction
A cylinder equipped with a piston expands against an external pressure of 1.58 atm. If the initial volume is 0.485 L
in the barium chloride laboratory activity what change occurred in the physical appearance of the barium chloride
I dissolved .5 grams of mustard in 3 mL of distilled water. I was asked to determine the mass percentage of acetic acid in mustard, so I added 2.5 mL of NaOH to turn the mustard solution red.
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 99% of the Mg2+ be precipitated as the hydroxide salt? (Ksp for Mg(OH)2= 8.9 x 10 -12.)
furoic acid hc5h3o3 has a ka value of 6.76 10-4 at 25degc. calculate the ph at 25degc for each of the following.a a
potassium hydroxide to a 250 mL volumetric flask. What is the concentration of potassium hydroxide in moles per liter?
The pH of a saturated solution of nickel hydroxide, Ni(OH)2, is 8.83. Calculate the Ksp for nickel hydroxide.
How many moles of potassium carbonate will be produced if 400.0 g of potassium hydrogen carbonate are heated?
If One gram (1.5 g) of glyceryl trioleate is completely hydrogenated.How many grams of hydrogen was used in the process.
calculate the enthalpy change for an isobraic change of steam from 0.8 MPa and 250 C to saturated liquid
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