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A volume of 25.0 mL of 0.100 M HCO2H(aq) is titrated with 0.100 M NaOH(aq). What is the pH after the addition of 12.5 mL of NaOH? (Ka for HCO2H = 1.8 × 10-4)
methyl alcohol (CH3OH) is made by reacting carbon dioxide with H2. Starting with 2.5g of H2 and 30.0 L of Co, what mass of methyl alcohol could be produced at STP.
Build and elucidate a prototype model, Use your model to recommend a schedule of the burning and, if necessary buying, fuels, Use your model and its results to offer.
WHen 0.075 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 337 mL of solution, how many ammonium ions are present?
calculate the freezing point of a nonionizing antifreeze solution containing 388 g ethylene glycol, C2H6O2 and 409 g of water.
How many grams of H2O (g) are theoretically produced from 1026.9 g of sucrose, C12H22O11 (g), and an excess amount of oxygen? C12H22O11 (g) + O2 (g) → CO2 (g) + H2O (g) (unbalanced)
Considering the given equation 2 C8H18 + 25 O2 --> 16 CO2 + 18 H2O in which The combustion of octane produces carbon dioxide and water , determine the mass of water.
A compound made of elements from group 2A ("M" below) and group 6A ("X" below) of the periodic table would be expected to have a formula
what is its molecular formula? Enter the formula in the form CH first, then all other atoms in alphabetical order; do not use subscripts.
Define three carbon atoms bear the unpaired electron, The pentadienyl radical, CH2=CH-CH=CH-CH2, has its unpaired electrons delocalized over three carbon atoms
Calculate the resulting pH if 150 mL of 1.50 M HClO4 is mixed with 500 mL of 0.125 M Ba(OH)2.
HCL acid solution is standardized using 0.502g of sodium carbonate. Find the molarity of the acid if 30.5mL are required for the titration.
A sample of gas occupies 250 mL at STP. What is the temperature if the gas expands to 1500 mL at a pressure of 0.500 atm?
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