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Question- An aspirin tablet weighing 0.445 g is dissolved in 28.1mL of water. The concentration of the aspirin in the solution is found to be 0.056 M. Calculate the % aspirin in the aspirin tablet.
I just need a general explanation of it please- Thanks!
Which molecule below exhibits dipole-dipole interactions but not dispersion forces. a)HF b)HCl c)CO2 d)CH3OH e)none of these
1.indicate the solubility of the following solutes in 100 g of watera.potassium chlorate at 90 degcb.potassium nitrate
a charged particle leaves the origin with a speed of 2.91 x 106 ms at an angle of 33deg above the x axis. a uniform
Sims Inc. earned $1.00 per share in 2000. Five years later, in 2005, it earned $2.00. What was the growth rate in Sims' earnings per share (EPS) over the 5-year period?
A 9.767-g gaseous mixture contains ethane (C2H6) and propane (C3H8). Complete combustion to form carbon dioxide and water requires 1.120 mol of oxygen.
Find out the amount of (NH4)2 SO4 to be supplied in a fermentation medium where the final cell concentration is 30g/L in a 103L culture volume. Presume that the cells are 12% nitrogen by weight and (NH4)2 SO4 is the only nitrogen source
Write detailed mechanism for the formation of ethyl acetate from ethanol and acetic acid with H2SO4 as a catalyst
What mass of K2CO3 is needed to prepare 200 mL solution of a solution having a potassium ion concentration of 0.150 M
Draw a structural formula of the R configuration of the compound shown below. Illustrate the stereochemistry about the chiral carbon using the "single up" (solid wedge) and "single down" (hashed-line wedge) bond tools. Show explicitly the bonds to..
the activation energy of a certain reaction is 44.5kjmol. at 21 the rate constant is0.0110 s-1 . at what temperature
Question- Calculate the pH after the following total volumes of 0.3200 M HCl have been added to 25.00 mL of 0.1600 M NaOH. 1) 1ml
Determine the exact formula of the compound. When 9.64x10-4 moles of this complex is dissolved into 425.0 mL of the water, you find that 19.22 mL of 0.1000 M HCl is needed to reach a titration endpoint
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