outline experiments that could be used to determine the reactivity of an unknown metal. describe what you might observe in each experiment

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

An experimental procedure requires a 10 ml of acid to be dissolved

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8