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A 10.0 mL sample of household ammonia solution required 33.55mL of 0.450 M HCl to reach neutralization. Calculate (a) the molar concentration of the ammonia and (b) the mass/mass percent concentration of ammonia(17.04 g/mol), given a solution density of 0.983 g/mL.
A bottle containing 330 of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
When a system is in a state of chemical equilibrium, a state of apparent rest, is anything going on at the molecular
The volume of blood in a typical adult is about 4.7 L. How many red blood cells are there in an average adult?
Calculate the mass of sugar and salt in the original mixture. The other answer posted to the other time this questionw as posted seems to be incorrect.
what is the value of Kp for this reaction at this temp? what wold be the effect of an increase in pressure on the amount of SO_3 produced? what wold the effect of an increase in temp on the amount of SO_3 produced? (use relevant data from Appendix..
question phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the
To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass. Calculate how many pounds of strawberries are needed to make a..
If 100 mL of a solution containing 0.001 g of a compound with a molecular weight of 150 has a measured absorbance in a 1-cm cell of 2.0, what is the compound's molar extinction coefficient?
A steel tank has a volume of 438 L and is filled with 0.885 kg of O2 at 21°C. What is the pressure within the tank?
What is the radius of the cross section of a cylinder that has a volume of 644.0 m3 and a height of 12.6 m? (Volume=πr2×height)?
The wavelength corresponding to threshold frequency to tungsten surface is 230nm . Calculate the kinetic energy of the photoelectron ejected from the surface of tungsten metal.
A specimen of aluminum having a rectangular cross section of 15 mm x 18 mm is pulled in tension with 55,000 N force, producing only elastic deformation. Calculate the strain
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