What is the concentration of na ions
if 100 mL of 0.100 M NaCl is added to 100 mL of .01 M NaCl, what is the concentration of Na ions in the final solution?"
Expected delivery within 24 Hours
You have 75.0 mL of a 2.50 M solution of Na2CrO4(aq). You also have 125 mL of a 1.52 M solution of AgNO3(aq). Calculate the concentration of CrO4 2- after the two solutions are mixed together.
24.6 ml volume of HCl solution reacts completely with a solid sample of magnesium carbonate, producing 183 ml of gaseous product (there is only one gaseous product from the reaction). The gaseous product is collected over water at 24.0C and 738 to
If I have 7.0 moles of gas at a pressure of 0.10 atm and at a temperature of 50.1 degrees C in a balloon, what is the volume of the balloon? (Round to one decimal place.)
If the activation energy is 210 Kj/mol, calculate the arrhenius preexpnential factor and determine the rate constant at 600 K.
Calculate the amount of heat released when 50g of steam at 100 degrees celsius hits the skin, condenses, and cools to a body temp of 37 degrees celsius.
Strawberries contain about 15 wt% solids and 85 wt% water. To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass. Cal
Electrolysis of molten NaCl in a Downs cell is the major isolation step in the production of sodium metal. Suppose 250. g of Na metal is formed. How many coulombs are required?
Microwave ovens use microwave radiation to heat food. How many photons are required to heat 200. mL of coffee from 19°C to 64°C?
1938509
Questions Asked
3,689
Active Tutors
1434769
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
The dental hygienist uses a handheld syringe to irrigate the posterior molars following a deep debridement of 6 mm pockets.
Question: A client is using a toothpaste with postassium nitrate. What is the role of the potassium nitrate in this toothpaste?
Question: With motivational interviewing, the focus is on: Question options: the client becoming actively involved in making and maintaining human behaviour
A client has type II embrasure spaces throughout his mouth and a fixed bridge between 13-15. What should the dental hygienist recommend
Problem: Funneling and widening of the coronal margins may be an indication of:
A client has decided to have oral piercings inserted today. Which one of the following rinses is effective for aftercare of oral piercings?
A client presents with 32 teeth and the color of the gingiva is pink, and stippled; the gingival papillae and margins are knife -edge and the consistency is fir