Answer:
it is option a
Explanation:
D, Concentration, as the concentration of products decreases and that of reactants increases over time.
mass of 1 mole of N is 14g
so mass of 3.45 mole is
3.45 × 14 = 48.3 g
Answer: S,Fe,O2,Sr, and Al
Explanation: I saw it on quizlet