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How many grams of CaCO3 are produced when you react 55.2 mL of 0.150 M Ca(NO3)2 with 0.655 grams of Na2Co3? How many grams of Na2CO3 remain unreacted? How many grams of Ca(NO3)2 remain unreacted?
What is the pH if 100 mL of 1.00M NaOH is added to the buffer into 30.0 grams of solid NaF is placed in 1.00 liter of a 1.00M HF solution for Ha, Ka=6.8x10-4
how many pounds of co2 are produced from the complete combustion of 1.00 gal of gasoline? assume that gasoline has the
Is the pH of 100 mL of an aqueous solution containing substantial and approximately equal con- centrations of sodium hydrogensulfite and sodium sulfite closest to a pH of 2, 3, 4, 5, 6, 7, 8, 9, 10, none of these, or cannot be determined
30mL of 0.90M NaCl added to 20 mL of H2O, What is the concentration of NaCl after the addiction
heat flows measured in this experiment were actually not for simple neutralization of a proton and hydroxide ion as
The Zeeman effect is observed as a splitting in the spectral lines of hydrogen in the presence of a magnetic field. What is the greatest number of lines that a single spectral line can be split into by a magnetic field? a)2 b)3 c)4 d)5 e)6
Arrange each set of atoms in order of decreasing ionization energy (IE1) and decreasing atomic radius: Cl, K, S, Ca i will rate this after looking through every response
On the coldest day of last year, what was the temperature at the bottom of Lake Michigan? explain your answer in terms of the density of water.
Aspirin C9H8O4 is a weak monoprotic acid. To determine its acid-dissociation constant, a student dissolved 2.00 g of aspirin in 0.600 L of water and measured the pH. What was the Ka value calculated by the student if the pH of the solution was 2.6..
The reaction of copper metal with silver ions in a solution if silver nitrate is spontaneous . Calculate she standard cell potentiom to show that this is so.
A sample of diatomic gas has a density of 0.002061g/ml at 1.8 atm pressure and 25.0°C. identify the gas
How can the molarity of chloride ion be calculated when 16 mL (2 mL intervals) of 12 M HCL is added to 5 mL of 0.4 M CO(NO3)2?
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