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The concentrated sulfuric acid is 98.0 percent h2so4 by mass. the density of the solution is 1.83 g/ml. the molar mass of h2so4 is 98.08 g/ml.What is the mass of h2so4 in 100.0g of concentrated sulfuric acid solution?
Europium crystallizes in a body-centered cubic lattice (the Eu atoms occupy only the lattice points).The density of Eu is 5.26 g/cm3. Calculate the unit cell edge length in pm.
A gas measures 180. ml. at 870C and 800. mm Hg. Find its volume at standard temperature and 800 mm Hg of pressure.
choose from among the following: disulfide bond, salt bridge, hydrogen bonding or dispersion forces. A) glutamic acid and lysine B) tyrosine and lysine C) Ile and Ala D) two cysteines
A piece of metal with a mass of 169 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 38 mL. What is the density of the metal?
how long will it take for the concentration for XY to decrease to 12.5% of its initial concentration when its 0.100M. Rate constant is 7.12 *10^-3.
what mass of water is required to dissolved in 175g KNO3 to produce a 2.25 m solution?
Calculating percent purity from a reaction, One of the reactions that occurs in a blast furnace, where iron ore is converted to cast iron is Fe2O3 + CO = Fe + CO2.
What is the specific heat of a substance that it takes 192 Joules to raise the temperature of 45 grams by 6 degrees Celsius
A 295mLflask contains pure helium at a pressure of 742torr . A second flask with a volume of 465mL contains pure argon at a pressure of 717torr .
the equivalence point i know you need to use [A-]= moles of HA/(vol water added+vol NaOH added) and believe moles of HA=5.39x10^-3
Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test?
Determine how much concentrated solution can you take to form 1.15 Litres of 0.105M Nitric acid by mixing with H 2 O?
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