the molar mass of platinum is 195.08 g/mol. what is the mass of 1.00 x 10^2 pt atom.
the molar mass of platinum is 195.08 g/mol. what is the mass of 1.00 x 10^2...
An unknown gas at 75.1 ∘C and 1.00 atm has a molar mass of 30.07 g/mol. Assuming ideal behavior, what is the density of the gas? density: ______ g/L
A generic salt, AB3, has a molar mass of 313 g/mol and a
solubility of 1.00 g/L at 25 °C. What is the Ksp of this salt at 25
°C?
AB,(s) A3 + (aq) +3B-(aq) Number
An unknown gas at 59.1 °C and 1.00 atm has a molar mass of 28.01 g/mol. Assuming ideal behavior, what is the density of the gas?
The molar mass of AB is 75.0 g/mol, the molar mass of AC is 60.0 g/mol, and the molar mass of B is 50.0 g/mol. What is the theoretical yield (in grams) of AC from the reaction of 28.0 g of AB?
QUESTION 4 What is the molar mass of nitroglycerin, C3H5(NO3)3? O 199 g/mol O 179 g/mol O 227 g/mol O 185 g/mol QUESTION 5 The number of moles in 37.80 g of C2H60 (molar mass = 46.1 g/mol) is 1.575 x 100 9.072 x 102 1.743 x 103 8.200 x 10-1 QUESTION 6 Determine the percentage composition (by mass) of oxygen in H2SO4. 65.25 %
1. A weak monoprotic acid has molar mass 180 g/mol. When 1.00 g of this acid is dissolved in enough water to obtain a 300 mL solution, the pH of the resulting solution is found to be 2.62. What is the value of Ka for this acid? 2. A weak monoprotic acid has pKa = 3.08. Calculate the percent ionization of a 0.35 M solution of this acid. 3. Calculate the pH of a solution that is 0.050 M in CH3COOH...
es 29. When a solution of silver fluoride is added to a solution of magnesium sulfate, a. only silver sulfate precipitates b. both silver sulfate and magnesium fluoride precipitate c. only magnesium fluoride precipitates d. there is no reaction 30. The molar mass of platinum is 195.08 g/mol. What is the mass of 100 Pt atoms
Which of the following is the strongest acid? chloroacetic acid (molar mass: 94.49 g/mol; Ka = 1.4 x 10-3) formic acid (molar mass: 46.03 g/mol; Ka = 1.8 x 10-4) propionic acid (molar mass: 74.08 g/mol; Ka = 1.3 x 10-5) hypoiodous acid (molar mass: 143.89 g/mol; Ka = 2.0 x 10-11) acetic acid (molar mass: 60.05 g/mol; Ka = 1.8 x 10-5)
What is the molar mass of Ca(NO3)2? (3 points) 102.2 g/mol 134.1 g/mol O 164.1 g/mol 0 204.2 g/mol
Determine the mass of X needed to react with 7.086 g of Y. Given that the molar mass of X is 206.9 g/mol and Y is 166.3 g/mol. The reaction is the following: 1 X + 2 Y --> 2 Z