Calculate the mass percent of hydrogen in hydrochloric acid, HCI. be sure to round to 2 decimals places

Two things that biomedical has invented or innvated

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)

Convert .347 kilometers to miles show your work