Calculate the molar mass of the ionic compound cobalt(Il) oxide. Write the formula of each of the following halogen species: a. Hypochlorite. b. Chlorate. c. Chlorite. d. Perchlorate. What is the formal charge of nitrogen in the cyanide ion (CN-)? Write the formula for silver chlorate....
Calculate the molar mass of the ionic compound chromium(II) bromide. For the substance barium nitride: i). Identify as molecular, ionic, or acid; ii). Write the formula of the compound; and iii). Show your setup and calculate the molar mass of the compound. ...
Calculate the molar concentration of I− in a saturated solution of PbI2 containing [Pb2+]=3.75×10−4 M. (The Ksp for PbI2 is 8.4×10−9 at 25 degrees Celsius.) Concentration of Ion: The concentrations of constituting ...
Kinetic energy normally is estimated by using the appropriate value of mass and the velocity (speed). The formula which used for the utilization of kinetic energy is stated below. Kineticenergy(KE)=12×m×v2 Answer and Explanat...
The mass of a chemical compound can be measured as the amount of substance in the given quantity of the compound multiplied by the molecular mass of the compound. The mass of {eq}n \ \rm mol {/eq} of a compound having a molecular mass {eq}M {/eq} is given by: ...
Calculate the molar solubility of Pbl2 (Ksp=1.0×10−8) in 0.50 MPb(NO3)2 Effect of common ions in the solution of sparingly soluble salts In the solution of a sparingly soluble salt, addition of a strong electrolyte having an ion common with the sparingly soluble sal...
What is the concentration of proteins in cells in M (mol/L)? Given information: The molar mass of the proteins is 50,000 g/mol. The dry weight \% of proteins in the cell is 15\%, the dry weight \% of water in the cell is 70\%, and cons...
Determine the number of moles in 5.4 grams of water. How do you find the mole ratio of salt to water of: a. Mo(NO3)2 5H2O b. CaSO4 2H2O c. (CaSO4)2 H2O How do you calculate the molar mass of water? How would you calculate the molar mass of water? Calcula...
Formula Mass: Formula mass is the mass obtained by adding the atomic masses of each atom of a compound. It is expressed in the atomic mass unit (amu)r. It is calculated for ionic compounds. Answer and Explanation: The formula mass for each compound is a) {eq}Mg...
The densities of crystalline Cl2 and H2S at 160 K are 2.02 and 0.95 g/cm3, respectively. Calculate their molar volumes. Iron metal crystallizes in a body-centered cubic unit cell with an edge length of 287 pm. The molar mass of iron is 55.85 g.mol^{-1}, ...