 |
|
| Browse | Ask | Answer | Search | Join/Login |
|
|
||||
|
Answer these question - emeprical and moleular formulae--- and the mole?
1 analysis shows a compound to contain 36.3% oxygen and 54.545% carbon by mass. The reminder is Hydrogen. If the compound is known to have a molecular mass in the range 70----100, determine the molecular formula of the compuind
the mole what mass of potassium suphite ( Mr=158) is needed to react with an excess of dilute nitric acid to produce 780cm3 (the 3 is the little 3 at the top) of SO2 gas (at stp)? K2SO3 + 2HNO3 2KNO3 + SO2 + H2O help |
||||
Check out some similar questions!
I have three children who have never had any learning troubles however I babysit 2 kids each day that seem to be a little socially awkward. The oldest (age 5 1/2) won't look me in the eye and can't follow a multi-step instruction. The younger (age 3) has never been able to answer a question I ask...
In order to qualify for the finals in a racing event, a car must achieve an average speed of 270 Km/h on a track with a total length of 1410 m. If a particular car covers the first half of the track at an average speed of 232 km/h, what minimum average speed must it have in the second half of the...
The density of solid AgCl is 5.56 g/cc.Solid is arranged in cubic aray of Ag= & cl- ions spaced at a distance of 2773 Armstrong.With this find Avogadro constant.
Can someone help me with this problem? A new super antacid was just released onto the market. A single tablet weighing .3541 g was added to 25 ml of .981 M HCl. The acid that remained after the tablet had reacted required 10.31 ml of .183 M Ca(OH)2. How many moles of acid was neutralized by the...
View more questions Search
| Question Tools | Search this Question |
Add your answer here.
|
