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How much of an epoxy that has a "weight per epoxy" of 435 in 80% solid solution is needed for the same reaction?
A weak acid HA (pKa=5.00) was titrated with 1.00M KOH. The acid solution has a volume of 100.00mL and a molarity of 0.100M. Find the pH at the following volumes of base added and make a graph of the pH versus Vb:Vb= 0, 1, 5, 9, 9.9, 10, 10.1, and ..
The half-life of a reaction, , is the time it takes for the reactant concentration to decrease by half. For example, after one half-life the concentration falls from the initial concentration
acetaminophen a common aspirin substitute has the formula c8h9no2. determine the number of molecules of acetaminophen
Using paper chromatography, a student separated a dye spot into three components, A, B, and C. The components traveled 4.2 cm, 5.7 cm, and 8.0 cm,. respectively from their initial position on the strip
Determine the slopes and intercepts of the un-weighted and weighted regression lines. Calculate, using both regression lines, the confidence limits for the concentrations of solutions with fluorescence intensities of 15 and 90 units. Compare the r..
After purifying your product, you collect 8.69 g. Calculate the percent yield of the alum.
Calculate the amount of hydrated sodium thiosulfate necessary to make 500mL of 0.025 M solution (remeber that the water molecules are included in the molecular weight of hydrated compounds.
Celcius and add 130.0mL of water at 95.00 Celcius, what is the final temperture of the mixture? Use 1.00 g/mL as the density of water.
Draw the structure of the product formed if the hydrolyzed 5,6-dihydro-2H-pyran-2-one were to undergo a Diels-Alder reaction with anthracene.
question if an ideal gas initially at 1.2 bar and 1.5 l is compressed at constant temperature to a volume of 0.6 l what
Question- A 6.00 % (m/v) NaCl solution contains 16.2g of NaCl. What is the total volume (V ) of the solution in milliliters
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