Calculate the molar mass for the following compound: cesium sulfate. Submit Answer Tries 0/2 Calculate the...
Density and Molar Mass of a Gas Calculate the molar mass of the gas having a density of 0.179 g/L at STP. Use units of "g/mol Submit Answer Tries 0/5 e Post Discussion
Molar Mass Determination by Freezing Point Depression Calculate and enter the freezing point depression of a solution of 57.6 g ethylene glycol (C2H602) in 734 g H20. Kffor H20 is 1.86 °C kg/mol. °C -2.53 1 homework pts Submit Answer Incorrect. Tries 3/5 Previous Tries A solution which contains 71.9 g of an unknown molecular compound in 363 g of water freezes at -3.85°C. What is the molar mass of the unknown? g/mol 1homework pts Submit Answer Tries 0/5 Molar...
Be sure to answer all parts. The solubility of an ionic compound MX (molar mass = 101 g/mol) is 0.00942 g/L. What is Ks for this compound? I x 10 Enter your answer in scientific notation.
The compound M4X2 has a solubility of 0.058 g/L and a molar mass, ℳ = 111.70 g/mol. Calculate the Ksp for this compound. Report your answer to TWO significant figures. You may (but are not required to) enter your answer in scientific notation; for example, if your answer is 2.4 × 10−2, you would enter 2.4E-2. The E must be uppercase.
Molar Mass Determination by Freezing Point Depression Calculate and enter the freezing point depression of a solution of 65.1 g ethylene glycol (C2H602) in 792 g H20. Kffor H2O is 1.86 °C kg/mol. °C 1homework pts Submit Answer Tries 0/5 A solution which contains 60.9 g of an unknown molecular compound in 325 g of water freezes at -3.24°C. What is the molar mass of the unknown? g/mol 1homework pts Submit Answer Tries 0/5
Calculate the mass in grams of 42.1 mol of copper(I) sulfate. Enter your answer in scientific notation with the correct number of significant figures.
Particle X has a speed of 0.890 c and a momentum of 6.67x10-19 kgm/s. What is the mass of the particle? Submit Answer Tries 0/10 What is the rest energy of the particle? Submit Answer Tries 0/10 What is the kinetic energy of the particle? Submit Answer Tries 0/10 What is the total energy of the particle? Submit Answer Tries 0/10
Particle X has a speed of 0.890 c and a momentum of 6.67x10-19 kgm/s. What is the mass of...
Calculate the molar mass of alum, KAI(SO4)2·12H20 (potassium aluminum sulfate dodecahydrate). Type the molar mass without units, to the nearest whole number.
The molar mass of an unknown solid compound was determined by
measuring the freezing point depression of 1.50 grams of the
unknown in 20.00 grams of phenol.
a.) do not need the cooling curve.
b.) please show calculations
3. The molar mass of an unknown solid compound was determined by measuring the freezing poist depression of 1.50 grams of the unknowm in 20.00 grams of Phenol Phenol &Unknown nutes)Temperature 12.5 8.6 1.0 8.2 1.5 6.9 7.8 7.7 .0 75 4.0...
What is the molar mass of copper (II) sulfate, CuSO4? Select one: O A. 63.55.9 OB. 159.629 O C. 111.55 g D. 319.17 g O E. 16.00 9 An unknown compound is composed of the elements Nitrogen and Oxygen. The compound is analyzed and determined to be 30.45% and 69.55% 0. The molecular mass of the compound is found to be 02.01 g/mol. Determine the compound's molecuar formula and provide your answer below as Nxoy where x and y are...