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Find the volume of a molar solution.
1.What volume of 0.185 molar nitric acid, HNO3, is required to react with 12.61g of calcium hydroxide, Ca(OH)2, according to the following equation?
2HNO3 + Ca(OH)2 à Ca(NO3)2 + 2H2O
2.What volume of a 0.250 molar solution of silver nitrate, AgNO3, is required to react with 18.6g of potassium phosphate, K3PO4, according to the following equation?
3AgNO3 + K3PO4 à Ag3PO4 + 3KNO3
A dry-cleaning solvent (molecular weight = 146.99 g/mol) that contains C, H, and Cl is suspected to be a cancer-causing agent. When a 0.299 g sample was studied by combustion analysis, 0.537 g of CO2 and 0.0727 g of H2O formed.
Olympic cyclists fill their tires with helium to make them lighter. A cyclist filled her bicycle tire, which has a volume of 855 mL, to a pressure of 8.5 atm at 25 C with helium.
What weight of sulfuric acid will be needed to react completely 35.5g of ammonia in the production of ammonium sulfate.
How much heat is required to raise the temperature of a mole of oxygen from 298 to 3000 K at constant pressure. The book gives the following values for Cp (specific heat at constant pressure): 29.376 J/(K*mol) at 298 K and 39.884 J/(K*mol) at 3000 ..
The specific heat of a certain type of cooking oil is 1.75 J/(g·°C). How much heat energy is needed to raise the temperature of 2.69 kg of this oil from 23 °C to 191 °C
A 2.00 gram peanut is burned in a bomb calorimeter containing 1234 grams of water. The temperature of the water increases from 25.00 Celsius to 30.25 Celsius.
A 25.0-mL aliquot of vinegar was diluted to 250 mL on a volumetric flask. Titration of 50.0-mL aliquots of the diluted solution required an average of 34.88 mL of 0.09600 M NaOH. Express the acidity of the vinegar in terms of the percentage (w/v) ..
What is the solubility of lead(II) chloride in both hot and cold water? why is the use of hot water critical to the sucess of the experiment
Calculate the number of molecules in 37.0 mL of ethanol, CH3CH2OH. The density of ethanol is 0.789 g/mL.
A weak acid (HA) has a pKa of 4.904. If a solution of this acid has a pH of 4.356, what percentage of the acid is NOT ionized
If the boiling point of the pure of (S)-(-)-alpa-phenylethylamine is 186-188 degrees Celsius, what is the bp of its enantiomer. What optical rotation would be observed if 3.72 g of (S)-amine were mixed with 3.72 g of the (R)-amine
For many years drinking water has been cooled in hot climates by evaporating it from the surfaces of canvas bags or porous clay pots. How many grams of water can be cooled from 39°C
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