1. How many moles of carbon are in 2.25 * 10^22 atoms of carbon ?

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

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.