How many moles of sulfate ions are in a sample of aluminum sulfate in which the number of formula units is 7.534 × 1023?

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer