Asked by chrisabel
compute the mole fraction of the solute and solvent in a 15%aquaeons nitric and (HNO3) solution?
Answers
Answered by
DrBob222
Is that 15% w/w or w/v? If w/w, then
15% means 15 g HNO3 in 100 g solution or 15 g HNO3 in (15 g HNO3 + 85 g H2O).
Convert 15g HNO3 to moles. moles = grams/molar mass.
Convert 85 g H2O to moles.
Then XHNO3 = moles HNO3/total moles.
XH2O = moles H2O/total moles.
Post your work if you get stuck.
15% means 15 g HNO3 in 100 g solution or 15 g HNO3 in (15 g HNO3 + 85 g H2O).
Convert 15g HNO3 to moles. moles = grams/molar mass.
Convert 85 g H2O to moles.
Then XHNO3 = moles HNO3/total moles.
XH2O = moles H2O/total moles.
Post your work if you get stuck.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.