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Problem- A drinking water has a calcium concentration of 17 ppm. What is the pH of this lake? It may or may not help to remember that the atomic weight of calcium is 40.1 g/mol.
I am in hurry anyone is there provide me the answer in quick phase
What are the 8 balanced molecular equations for all of the chemical reactions involved in the copper cycle experiment
Problem- Show that the transition for H atom from J=0 to J=1 level is an allowed transition, and show its dependency on transition dipole moment.
A 0.456 gram sample of an unknown monoprotic acid (let's call it HZ) was dissolved in some water (you pick the amount). Then the acidic solution was titrated to the equivalence point with 32.5 mL of 0.174 M KOH.
what is the density of a sulfuric acid solution if 10.00 ml has a mass of
methanol is produced accorrdingto this equation co2h2 yields ch3oh. if 356g co are mixed with 65g hydrogen how much
A 50.00-mL solution containing NaBr (FW=102.894g/mol) was treated with excess AgNO3 to precipitate 0.2146 g of AgBr (FW= 187.772g/mol). What was the molarity of NaBr in the solution
What is the pH resulting from mixing 50.0 mL of 0.0100 M H2CO3 with 1.50 mL of 0.100 M NaOH?
Determine the Ka of the ethylammonium ion (C2H5NH3+). [Kb of ethylamine (C2H5NH2) = 8.6 x10^-4]
What is the maximum amount of work that can be obtained by the combustion of this butane if the gas is first brought to a pressure of 1.00 atm and the temperature is brought to 25 oC? Assume the products are also returned to the same temperature a..
For the reaction (S2O8)2- + 3I- yields (I3-) + (SO4)2- What is the oxidation state of sulfur
Sulfur dioxide is a compound produced when sulfur burns in air. It has a melting point of -72.7 C and a boiling point of -10 C. In what state does sulfur dioxide exist at room temperature (25 C)
The rate constant for the first order decomposition of SO2Cl2 is 1.37 x 10^-3 min-1 at a certain temperature. If the concentration is initially 0.500 M, predict it after 300 min.
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