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A mixture of Na_2CO_3 and NaHCO_3 has a mass of 81.5 . It is dissolved in 1.00 of water and the pH is found to be 9.92. Find the mass of NaHCO_3 in the mixture?
Explain why when the thermodynamic reaction is added to water , the reaction is more vigorous than when the kinetic product is added to water.
The half-life for the radioactive decay of [U]-238 is 4.5 billion years and is independent of initial concentration. Part A How long will it take for 20% of the [U]-238 atoms in a sample of [U]-238 to decay?
In a crazy situation the Oylan Vinegar Company has 10,000 gallons of vinegar with a concentration of .114 M. It also hass a .68% acetic acid by mass
If a sample containing 2.00 mL of nitroglycerin ({rm{density}} = 1.592{rm{g/mL}}) is detonated, how many total moles of gas are produced?
the electric potential energy associated with an electron and a proton is -4.35*10^-18 j. what is the distance between these two charges?
Place a coffee cup that holds hot coffee in a cold room and let it sit there for 4 hours. Consider the coffee inside the coffee cup as your system
Explain how do you compute the minimum volume of H2O(water) required to dissolve NaCl( sodium chloride) of 500 grams in H2O( water) at the temperature of 100 degree celsisu?
If 60.0 g of H3PO4 is dissolved in enough water to form 175 mL of solution, what is the molarity (M) of the solution?
Design a reaction scheme to synthesize pentylbenzene from benzene using a Friedel-Crafts acylation and any other reaction
It is assumed that the relative standarddeviation of the method is sr ? s = 4 ppt forcarbon and 6 ppt for hydrogen. The means of the reported resultsare 68.5% C and 4.88% H. At the 95% confidence level, is there anyindication of systematic error i..
Calculate the amount (g) of each of the following salts that would need to be added to a 200mL volumetric flask to produce a 2 M solution of S?
if 294 grams of is allowed to react with 176 grams of according to the following unbalanced equation, how many grams of are produced? How many grams of FeS2 and O2 are left?
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