How many moles of solid naf would have to be added
How many moles of solid NaF would have to be added to 1.0 L of 1.90 M HF solution to achieve a buffer of pH = 3.35, assume there is no volume change. (Ka for HF = 7.2 x 10-4).
A) 2.3
B) 4.9
C) 1.6
D) 1.0
Now Priced at $20 (50% Discount)
Recommended (93%)
Rated (4.5/5)
Bentels Co. desires a December 31 ending inventory of 2,870 units. Budgeted sales for December are 4,100 units. The November 30 inventory was 1,640 units. Budgeted purchases are?
A 3.12 g sample of solute is dissolved in 35.0 g of water. The freezing point of this solution is found to be -1.23°C. What is the molar mass of the solute? For water, Kf = 1.86 degkg/mol.
Web Company uses a standard cost system in which manufacturing overhead is applied to units of product on the basis of standard machine-hours.
How would you allocate additional 5 million? are there other areas in which to spend the money not mentioned in the above case?is it ethical for the president to be directly compensated based on the company's performance each year?
Determine the equilibrium concentration of carbon monoxide if 0.80 mol of H2 and 0.80 mol of CO2 are injected into a 5.0 liter flask and heated to 1650°C.
Which compound will exhibit the greatest dipole moment?
A sporting goods store purchased $7,600 of ski boots in October. The store had $3,600 of ski boots in inventory at the beginning of October, and expects to have $2,600.
Direct labor standards at Cepeda Manufacturing Corporation allow 5 direct labor-hours for every unit produced. The standard direct labor rate is $12.00 per hour.
1924336
Questions Asked
3,689
Active Tutors
1425838
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Describe one way you can promote language development in a birth-age 2 classroom and one way you can promote language development
Which step in Bloomquist's method for teaching child compliance involves providing clear, specific, and one-step commands to the child?
A private clinic office, comfortably furnished, with soft lighting and a selection of fidgets and sensory tools available on a small side table.
Question: How have you grown as a student of Abnormal Psychology? In what ways will this content be applicable in your own life?
The broad measure of Conscientiousness used obscures specific mechanisms, indicating that future studies should implement facet-level analyses
Describe Harper's perceptual motor development. What specific skills are developing typically, and what areas might need support?
This photo shows a young adult standing on the edge of a sea wall, facing the open ocean. The setting appears to be an urban coastline,