To calculate how many grams NH3 will be formed from 6.0 g H2, the first step you need A) information about chemical reaction is balanced or not.
B) set up given mole ratio of reactant vs products.
C) information about the mass of N2 reacting.
D) Set up mole ratios of reactants vs products from balanced chemical equation.

N2 + H2 → NH3

How many moles of al3+ ions are in 1.25 moles of al2o3

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Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas