How many grams of NaCl are required to prepare 750 mL of 0.25M NaCl? 0.19 g
11 g
15 g
190 g

One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(s)

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2