0
You can calculate the molecular mass using freezing point depression or boiling point elevation using the formula: mols solute= change in BP (or FP) x kg solvent / Kb (or Kf) /i
Where Kb and Kf are constants and i is number of ions (or 1 if covalent)
Then take mols solute (calculated) and divide into grams solute (recorded)
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
Does evolution determined using similarities in DNA and branching trees?
Determined using similarities in DNA and branching trees
How is the mass compound determined from the number of moles?
Multiply the number of moles times the molar mass of the compound. Moles cancel and you are left with mass in grams.For example: What is the mass of 2.47 moles of sodium chloride, NaCl?Known: The molar mass of NaCl is 58.44g/mol. (Using atomic weights in grams from the periodic table.)Solution:2.47mol NaCl x 58.44g/mol NaCl = 144g NaCl
What is an isotope and how is it determined?
An isotope is any of the atoms of an element with different numbers of neutrons. It is determined by using the atomic weight,which is determined by the number of neutrons.
Can strong and weak acids be determined by using an indicator?
yes
How can you determine the absolute age of an igneous rock?
Relative age can be determined using superposition and cross-cutting relationships. Absolute age can only be determined using radiometric dating methods, such as Rb-Sr.
A sentence using the word determined?
I am determined not to answer your question.
The conditions of the upper troposphere can be determined by using weather?
It is determined using hot air balloons.
Does evolution determined using similarities in DNA and branching trees?
Determined using similarities in DNA and branching trees
How is the mass compound determined from the number of moles?
Multiply the number of moles times the molar mass of the compound. Moles cancel and you are left with mass in grams.For example: What is the mass of 2.47 moles of sodium chloride, NaCl?Known: The molar mass of NaCl is 58.44g/mol. (Using atomic weights in grams from the periodic table.)Solution:2.47mol NaCl x 58.44g/mol NaCl = 144g NaCl
How do you measure time without using time invariant properties of any object?
The simple answer is by using time variant properties.
Why are different masses of each element required to react with the same amount of hydrogen?
Each element has a different molar mass and Molarity, using stoichiometry the conversion of molar mass can explain why.
How do you make 600 mL of a 1 molar solution of HCl using a 6 molar stock solution?
combine 100 mL 6 M HCl with 500 mL H2O
What is the molar absorptivity of crystal violet?
The molar absorptivity of crystal violet can be determined using Beer's Law. Beer's Law is A=E*c*l where A is absorbance, E is the molar absorptivity, C is the concentration of the crystal violet, and l is the path length. Path length is how long the light has to travel through the solution. If you can find the absorbance of a certain concentration by using a spectrophotometer, where the path length is 1 cm, then you know all the variables and are able to solve for the molar absorptivity. For example, the measured absorbance of 2.5x10^-5 M CV (crystal violet) is 1.64 with a path length of 1 cm. This means 1.64=E*(2.5x10^-5)*1 E=1.64/(2.5x10^-5) E=65600 Happy Chemistry!
How can the Kf value of a solvent can be determined?
In our chemistry lab we determined the Kf values using spectrometers.
How is legally insanity determined in California?
Legal insanity in California is determined using the McNaghten rule.
What is the molar mass of fingernail polish remover?
Fingernail polish remover is acetone, which has a formula of (CH3)2CO. Using the Periodic table and a bit of addition, we come up with a molar mass of 64.06g.
What is the mass of 0.5623 moles of ethanol ch3ch2oh?
The molar mass of ethanol is 46g/mol. Using the formula mass = (molar mass) x (no. of moles), the mass of 0.5623mol of ethanol is approximately 25.9g.
