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Plasma is the fluid portion of blood. The concentration of acetylsalicylic acid (aspirin, C9H8O4, molar mass = 180.0 g/mol) in your plasma is found to be 2.99 x 10-4M after you take two tablets of aspirin. If the volume of your plasma is 5.85 L, how many grams of aspirin are in your blood? (Assume that the density of plasma is 1.00 g/mL.)
What is the final temperature of the nickel and water? The specific heat is 4.18 J/g * C for water and is 0.444 J/g * C for nickel.
If none of the available reagents can be used for this purpose, then identify another reagent from the table that could be used. For each reagent you've identified, write down a balanced chemical equation for the reaction that occurs.
a hydrate of calcuim chloride contains 49.3% water and has a formula weight of 219g/mol calculate the molecular formula of the hydrate
A 20.0 mL sample of 0.150M KOH is titrated with 0.125M HClO4 solution. Calculate the pH after the following volumes of acid have been added.
when 7.20 grams of h2so4 l at 22.0oc are poured into a 94.0 gram mixture of ice and watercontaining 6.15 grams of ice a
What is the equilibrium pH of the solution? Solve by graphical method (draw a log C -pH graph and label the pertinent info, show your charge balance for the equation)
How many additional mL of 0.0750 M Ca(OH)2 or ).100 M HCl would be required to neutralize the solution?
Which one of the following is the highest temperature?
Calculate the change in entropy that occurs when 18.66 g of ice at -14.6°C is placed in 54.05 g of water at 100.0°C in a perfectly insulated vessel. Assume that the molar heat capacities for H2O(s) and H2O(l)
"Besides the traditional colorimetric acid/base indicators, there is another class that doesn't use color, the olfactory acid-base indicators! These compounds smell or don't smell based on their pH
calculate the concentration of sodium benzoate must be present in a 0.20 M solution of benzoic acid
Based on their activation energies and energy changes and assuming that all collision factors are the same, which of the following reactions would be fastest and which would be slowest?
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