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Problem- What is the pH of a solution of 25.0mL of 1.35x10-3M HCl(aq) that has been titrated with 10.73mL of 1.00x10-3M NaOH? Assume 25°C.
Answer all three questions as well as provide required steps
a reaction of clacium phosphate and sulfuric acid results in calcium sulfate and phosphoric acid. if 250 grams of
Given the following equation, how many grams of PbCO3 will dissolve when 1.5L of 1.00 M H+ is added to 6.00g of PbCO3? PbCO3(s) + 2H+(aq) = Pb^2(aq)+ +H2O (l)+ CO2(g)
the gaseous product of a reaction is collected in a 25.0 l contained at 27 degrees celsius. the pressure in the
Determine the theatrical yield if 1.56 grams of hydrogen is permitted to combines with 9.70 grams of nitrogen producing 1.43 grams of ammonia?
Suppose you have a mixture of 2 substances. You know one of the substances is either 2-chlorobenzoic acid or diphenyl acetic acid. The second substance is either p-dibromobenzene or acenaphthylene
in the reaction P4+5O2->2P2O5, how many moles of oxygen are consumed each time 0.500 mole of P2O5 is formed?
The three isomers 0-,m-, and p-xylenes are are very difficult to distinguish via proton NMR. However they are instantaneously distinguishable via carbon NMR how
Calculate the mass percentage of Na2SO4 in a slution containing 10.6 g Na2SO4 in 483 g water. b) An ore contaings 2.86 g of silver per ton of ore. What is the concentration of silver in ppm
Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during steam distillation.
What is the buffer-component concentration ratio, [NO2- ]/[HNO2], of a buffer that has a pH of 2.90 ? Ka of HNO2 = 7.1 x 10-4.
How many grams of H2 are needed to react with 3.10 g N2?
An empty vial weights 31.45 g. If the vial weighs 179.56 g when filled with liquid mercury (d=13.53g/cm3), what is its volume
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