2.55 grams of KClO3 are dissolved in 25.2 grams of water.  The solution has a final volume of 27.3 ml. 
The molar mass of KClO3 is 122.55 g/mol. 
 
Calculate the concentration of KClO3 in the solution by the following two methods:
1) percent by mass:  
2) molarity: 
 
Round answers to the 100th's place and include units. 
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The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

Air can be considered a mixture. which statement does not explain why?