Find the molarity of solution by dissolving compound in h2o
A solution is made by dissolving 26.42g of (NH4)2SO4 in enough H2O to make 50.00mL of solution.
a. What is the molar mass of (NH4)2SO4?
b. What is the molarity of this solution?
Expected delivery within 24 Hours
The half life of a second order reaction in reactant A with an initial concentration equal to 0.200 M is 45.6 sec. What is the second order rate constant (M-1s-1)?
The mass of a cube of iron is 324 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
Calculate the expected pH of a 25.0 ml solution of 0.200 M acetic acid that is being titrated with a 0.100 M solution of NaOH at any point in the region II of the titration. (Ka of CH3COOH = 1.8 x 10^-5)
A compound is 40.0% C, 6.70% H, and 53.3% O by mass. Assume that we have a 100.- g sample of this compound. What are the subscripts in the empirical formula of this compound?
A solution is made by dissolving 26.42g of (NH4)2SO4 in enough H2O to make 50.00mL of solution. What is the molar mass of (NH4)2SO4?
A metal container holding xenon gas (Xe) has a pressure of 458 torr at 20 degrees celcius. At what temperature will the pressure be 1.00atm?
determine the total number of moles of oxygen that react completely with 8.0 moles of C2H6.
1944701
Questions Asked
3,689
Active Tutors
1437260
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: When considering nasotracheal suctioning to clear a patient's airway, you learn the patient has a lengthened PTT
Multiple Select Question Select all that apply Identify the exceptions to the requirement to provide treatment to newborns.
Identify one or two nurses on your unit or in your nursing department that would qualify to be a mentor for your BSN Project.
Question: The nurse is caring for a patient who has reported a long history of abuse in her childhood.
Question: Select all that apply Identify the circumstances when informed consent becomes extremely necessary.
The home health nurse visiting the client for the first time is doing a medication reconciliation. What action would the nurse perform during this procedure?
What recommendations might be made regarding J.P.'s anticoagulation therapy?