1.8 L of a 2.4 M solution of NiCl2 is diluted to 4.5 L. What is the resulting concentration of the diluted solution? Show your work below.

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Word equation for k+ h2o yield koh + h2