Number of results: 1,523
I'm stuck and am hoping you can help. Here is the problem: You react 7.92 grams of silver nitrate, AgNO3(aq), with an excess of sodium chloride, NaCl(aq). How many grams of silver chloride, AgCl(s), will precipitate from the solution? Any help would be appreciated. Most of ...
Saturday, September 9, 2006 at 10:04pm by Rachel
If a solution of 0.10 M silver nitrate, AgNO3, is slowly added to a solution containing 0.010 M potassium iodate, KIO3, and 0.20 M sodium bromate, NaBrO3, what precipitate will form first. Will this precipitate form nearly completely (99%) before the second precipitate starts ...
Wednesday, September 13, 2006 at 2:21pm by bria
Only one question, it would be greatly appreciated if you would help me Thanx In an experiment, Na2CO3(aq) was added to 25.0 mL of CaCl2(aq) solution until no more precipitate was formed. The mass of precipitate produced was 2.50 g. Some statements about the experiment follows...
Thursday, September 28, 2006 at 1:24pm by Brittany Rusk
We are doing a lab that requires finding the molarity of an unknown AgNO3 solution after reacting NaCl + AgNO3 --> NaNO3 and AgCl and collecting/massing the precipitate. We will be using 10.00 mL of an NaCl solution and 10.00 mL of the AgNO3 solution. We know that the AgNO3...
Wednesday, October 4, 2006 at 7:03pm by Chris
Do these reagents fit with the substance being testd for? First is Biuret reagent protein Second is BACL^2 starch Third is AgNO^3 chloride ion Final is albustix protein. I can help with two of these. BaCl2 is used to test for sulfates, not starch. AgNO3 is used to test for the...
Monday, October 9, 2006 at 6:44pm by Chloe
Hi! I kind of need help to get started with these four problems. There are more problems like the ones below. It would be great if I had an example of each of the four problems. Thanks! FeSO4(aq)+ KCL(aq) (for problem 1 and 2) 1)When the following solutions are mixed together...
Sunday, October 15, 2006 at 2:32pm by chrissy
Question: A colorless unknown substance is spotted on a TLC plate and developed in the correct solvent. The spots do not appear when visualization with a UV lamp or iodine vapors is attempted. What could you do to visualize the spots if the compound is the following: My answer...
Sunday, October 15, 2006 at 5:04pm by Sheryl
How do you write the combination of: Na2CO3 AgNO3 (CO3 -2) and (Ag=1) Thanks! This is a double displacement reaction. silver carbonate and sodum nitrate form.
Monday, October 30, 2006 at 6:22pm by Ben
How do you compare and contrast a chemical equation and an ionic equation? Is a chemical equation any equation while an ionic equation deals with the gain/loss of electrons? A chemical equation usually consists of what I call a molecular equation whereas an ionic equation (or ...
Friday, December 15, 2006 at 5:55pm by Carter
What is Calcium Chloride (CaCl2) used for transformation on bacteria and antibiotics? http://www.genome.ou.edu/protocol_book/protocol_adxF.html it is a study of a branch of biology where we come to know about the world of microrganisms.
Thursday, December 28, 2006 at 7:31pm by MICROBIO HELP
Chemistry - solubility
Arrange the following compounds in order of increasing solubility in water: * O2 * LiCl * Br2 * CH3OH Like dissolves like; that is, polar compounds usually are soluble in water and non-polar compounds are not soluble in water. From that description, make your choices and post ...
Tuesday, January 2, 2007 at 7:21pm by Belinda
Chemistry 1 H
AgNO3+ BaCl2-> AgCl+ Ba(NO3)2 a. balence the equasion b. How many grams of silver chloride(AgCl) are produced from 5.0g of silver nitrate (AgNO3) reacting with an excess of barium chloride(Ba Cl2)? c. How Many grams of barium chloride (BaCl2) is necessary to react with 5.0...
Thursday, January 4, 2007 at 5:57pm by Lexi
A sample of InCl3, is known to be contaminated with NaCl. The contaminated sample weighs 2.84g. When the contamintaed sample is treated with excess AgNO3(aq). 574 grams of AgCl(s) are obtained. What is the percentage by mass of InCl3 in the sample? (All I really need to know ...
Sunday, January 21, 2007 at 4:05pm by Carlos
In my problem i need to find the mass of Ag in AgNO3. I have 3.489g of AgNO3. Help please! Determine the percentage composition from the formula. PercentAg= atomicmassAg/molmassAgNO3 Then, mass Ag= 3.489 * decimal percent above.
Sunday, January 28, 2007 at 7:49pm by Jason
Predict the precipitate that forms: HCl + AgNO3 --> ??? i dont know what the answer is but i think it is Cing04 AgCl. You need to learn the solubility rules. If you don't have a web site I can give you one. hey watz up can you help me with a question please? If you have a ...
Monday, January 29, 2007 at 7:51pm by key
Hello, please could someone help? Will calcium chloride (CaCl) granules be a suitable drying agent for drying hydrogen selenide (H2Se) gas? Or, will the calcium chloride granules also absorb the H2 from the H2Se? Thank you. Calcium chloride is CaCl2. It is an excellent drying ...
Tuesday, January 30, 2007 at 7:28am by Junior
Is this equation balanced? 2HCl(aq) + Ca(OH)2(aq) -------> 2H2O + CaCl2 yes. It helps in these to write water as HOH, in this you would have had 2 HOH
Sunday, February 4, 2007 at 9:35pm by Lisa
I have the answers, I just want to be sure...I'm a little hesitant.. 1. Explain how strong acid solutions conduct an electric current: -Strong acids readily release ions creating electro negativity. 2. Will a strong acid or weak acid conduct electricity better? Why? -A strong ...
Thursday, February 15, 2007 at 7:48pm by Liz
PLEEEZE help name the type of reaction K + MgBr -> Not enough information is provided. And not magnesium bromide is MgBr2. Is this a solution phase or exactly how is the K metal added to the MgBr2? As DrBob has indicated, not all of the information has been provided. You ...
Monday, February 19, 2007 at 2:11pm by key
Can someone please help me with this problem? An iron nail placed in a beaker with a solution of silver nitrate will cause pure silver to collect on the bottom of the beaker. Write a balanced equation for the reaction that occurs. This is what I have so far: Fe + AgNO3 --->...
Wednesday, February 28, 2007 at 10:20pm by Donna