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How do the moles of CO2 and carbonate mass reactant permit you to identify an unknown monovalent or divalent cation ofan unknown carbonate.
A 240.0 mL buffer solution initially contains 3.0×10-2 M of HCHO2 and 3.0×10-2 M of NaCHO2. What mass of the correct reagent should you add
Calculate the concentration of ions in the following saturated solutions. Al3+] in Al(OH)3 solution with [OH -] = 2.6 10-9 M
Really confused on calculating/finding the half-equivalence point in a titration curve. This was a lab experiment done in my chem lab. We added 0.0750 M NaOH to acetic acid (pipet 10.00mL of ~0.1M HCH3CO2 into the beaker and add 40mL of DI water).
Describe how you would purify p-nitrobenzoic acid from a mixture of a 9.0 g of p-nitrobenzoic acid and 2.0 g of o-nitrobenzoic acid using recrystallization.
How do I calculate the concentration of the lycopene solution in the spectrophotometer cell before isomerization, given that the molar absorptivity of lycopene at 471 nm is 1.86 x 10^4.
1) What is the overall charge state for the tetrapeptide DREAM at physiological pH. The pK values for N-terminal, C-terminal, side chain of asp, arg, glu are 9.0, 3.5, 3.9, 12.5, and 4.1
Given the concentration of either hydrogen ion or hydroxide ion, use the ion product constant of water to calculate the concentration of the other ion at 298K.
Draw the Lewis structures of the following compounds and find out number of electron groups, number of lone-pairs, geometry of electron
2750 ml sample of 3 M Hcl solution is treated with 4.66 gm of magnesium . Calculate the concentration of the acid solution after all the metal has reacted. Assume that the volume remain unchanged-------M HCl.
a student placed 15.0 g of glucose c6h1206 in a volumetric flask added enough water to dissolve the glucose by swirling
A student standardizes his NaOH titrant solution with KHP. He performs three titrations - in each trial, the mass of KHP (204.22 g/mol) used is 1.500 g. The average amount of NaOH used in the standardization is 29.3 mL +/- 0.06 mL.
Two mols of a Van der Waals fluid are maintained at a temperature T=0.95Tc , in a volume of 200cm3 . Find the mole number and volume of each
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