A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
 2 years ago
An Aqueous solution of orthophosphoric acid has a measured density of 1.2089 grams/ mL1 and is 5.257 molal. How many moles orthophosphoric acid are in 1 liter of this solution?
 2 years ago
An Aqueous solution of orthophosphoric acid has a measured density of 1.2089 grams/ mL1 and is 5.257 molal. How many moles orthophosphoric acid are in 1 liter of this solution?

This Question is Open

aaronq
 2 years ago
Best ResponseYou've already chosen the best response.0find mass: density=mass/volume convert to moles: moles=mass/molar mass

JeanetteBaker
 2 years ago
Best ResponseYou've already chosen the best response.1use the density to find the mass of one liter: (1 L)*(1 g/1.2089 mL)*(10^3 mL/ 1 L)*(1 kg/10^3 g) = .8272 kg next, convert molals to moles: (5.257 mole solute/kg solvent)*(.8272 kg) = 4.378 moles
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.