Which is the best name for the compound caso4•2h2o?
hydrated calcium sulfate
calcium sulfate trihydrate
calcium sulfate dihydrate
anhydrous calcium sulfate

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance

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.

How many grams of aluminum will there be in 98g of al2o3?