Research symptoms & diagnosis of Central Pain Syndrome: 1  Overview -- Central Pain Syndrome. 2  Diagnostic Tests for Central Pain Syndrome. 3  Home Diagnostic Testing. 4  Complications -- Central Pain Syndrome. 5  Doctors & Specialists. 6  Misdiagnosis and Alternative Diagnoses. 7  Hidden Causes of Central Pain Syndrome.
How much oxygen gas in grams can be prepared from 58.8g of potassium chlorate? Pure oxygen gas can be prepared in the laboratory by the decomposition of solid potassium chlorate to form solid potassium chloride and oxygen gas. How much oxygen gas in grams can be prepared from 58.8g of potassium chlorate? Give a clear explanation of your answer to get chosen as best. Follow.
Permalink Submitted by spock on Wed, 2009-03-25 22:31. The rule for Oxygen is that it is almost alway -2 in a compound. The sum of the oxidation states in an ion must add up to the charge on the ion, Therefore each Cr atom must have a +6 oxidation state: 2(+6) + 7 (-2) = -2.