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.
1949819
Questions Asked
3,689
Active Tutors
1431361
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
A counseling center receives a referral for a college student struggling with academic motivation, relationship problems, and anxiety about the future.
Formulate different questions by same topic from the questions below? How might connection to one's culture improve their ability to engage in somatic psycholog
This week, share your thoughts regarding the measurement of behaviors in applied behavior analysis. Identify something in your own life
This week we are examining Counselor Competence and Training. Complete the Self Inventory on page 342. Answer the questions below:
Clinical mental health counseling versus school counseling really brought to light for me how influential professional organizations are on our field.
Create an annotated bibliography on Nelson Mandela with a minimum of 5 sources. A credible website can be used to obtain background information
feelings when assuming the role of Marisol, an 18-year-old Latina who was recently diagnosed with Autism Spectrum Disorder.