calculate the volume of the 250 ppm phenol stock solution needed to prepare 50.0 mL of each of the standard solutions specified in the ESD

What does x represent in the formula for the compound xcl4?

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)

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)