A student is asked to prepare 400.0 mL of a 0.25M HCl solution. The students find a bottle labeled “2.0M HCl.” How many mL of the 2.0M solution are needed to prepare the 0.25M solution?

Why does a cake rise when you bake it? ♡

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

Geothermal energy for industrial use is available almost anywhere. a.true b.false