What are the mole fraction and the mass percent of csbr
What mass of cesium bromide must be added to .500 L of water (d =1.00g/mL) to produce a 0.687 m solution? What are the mole fraction and the mass percent of CsBr?
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Calculate the molecular weight of citric acid if 25.0 mL of a 0.750M sodium hydroxide solution were required to titrate 1.20g of citric acid.
A generic salt, AB3, has a molar mass of 183 g/mol and a solubility of 6.60 g/L at 25 °C. What is the Ksp of this salt at 25 °C
Enter scientific notation as 1.23E4. (a) When 11.50 mL of 0.470 M HNO3 have been added. (b) When 65.00 mL of 0.470 M HNO3 have been added
A 9.20-L container holds a mixture of two gases at 47 °C. The partial pressures of gas A and gas B, respectively, are 0.315 atm and 0.803 atm. If 0.180 mol of a third gas is added with no change in volume or temperature, what will the tota
If He gas has an average kinetic energy of 8970 J/mol under certain conditions, what is the root mean square speed of Cl2 gas molecules under the same conditions
Hydrogen peroxide can be prepared by the reaction of barium peroxide wtih sulfuric acid accoridng to BaO2(s) + H2SO4(aq) arrow BaSO4(s) + H2O2 (aq) How many milliliters of 2.00 M H2SO4 (aq) are needed to react completely with 49.5 g of BaO2(s)
You are given a small bar of an unknown metal X. You find the density of the metal is 10.5 g/cm^3. Another experiment tells you the edge-length of the face centered cubic unit cell of this metal has a length of 4.09 x 10^-10 m. What is the density
List the possible genotypes for each phenotype (purple or yellow), using upper case letters for dominant and lower case for recessive.
2.55 g of an unknown gas at 39 degrees celsius and 1.05 atm is stored in a 1.95-L flask. What is the density of the gas in L and the molar mass of the gas in g/mol
A sample of gas weighs 4.542 grams and has a volume of 870.0 mL at 945.0 torr and 39.0 degrees Celsius. What is its molar mass
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