Write the empirical formula of at least four binary ionic compounds that could be formed from the following ions: Mg2+, V5, F,02-
what is it?

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

Which structure is a valid representation of a hydrocarbon molecule?

Arunner wants to run 13.1 km . she knows that her running pace is 6.2 mi/h .how many minutes must she run? hint: use 6.2 mi/h as a conversion factor between distance and time.