Number of results: 4
I have many questions. I have a test tuesday and need to get these problems done and understand them today because i am currently studying. I am in college and my professor has not emailed me back regarding solutions for the review problems she posted. Is it possible if you ...
Saturday, April 23, 2011 at 6:10pm by Sarah (C)
I'm an idiot for starting a bunch of questions this long BUT you sounded desperate. Post separately if you have questions about my work. 1) If Ka is small, concentration of w acid (HA) are large. What is a quick way of calculation (H+). a)(H+)=Ka b)(H+)=Ka (Ha) c)(H+)=(Ka(Ha) ...
Saturday, April 23, 2011 at 6:10pm by DrBob222
Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 0.55 mole of sodium carbonate is mixed with one containing 0.55 mole of silver nitrate. After the reaction is complete, the solutions ...
Wednesday, December 19, 2012 at 11:54pm by Nicola
Na2CO3 + 2AgNO3 = 2NaNO3 + Ag2CO3 each mole of Na2CO3 requires 2 moles of AgNO3, so only half the Na2CO3 is used up. So, only 0.275 moles of Ag2CO3 are produced, or .275*275.7453 = 75.8g
Wednesday, December 19, 2012 at 11:54pm by Steve