Sodium fluoride can be produced from the reaction between sodium metal and fluor

Question

Sodium fluoride can be produced from the reaction between sodium metal and fluorine gas. Which of the following represents the balanced chemical equation for this reaction? 2 Na(s) + F_2(g) rightarrow 2 NaF(s) Na^+(s) + F^-(g) rightarrow NaF(s) Na(s) + F_2(g) rightarrow NaF_2(s) 2 Na(s) + F_2(g) rightarrow Na-2F_2(s) Consider the reversible reaction at equilibrium: N_2(g) + O_2(g) 2 NO(g). What is the effect of removing some N_2(g) from the equilibrium system? the concentration of O_2(g) increases the concentration of O_2(g) decreases the concentration of NO(g) increases the equilibrium system shifts to the right Which solution has the lowest pH? 1.3 times 10^-8 M^- OH 1.0 times 10^-7 M^- OH 5.1 times 10^-2 M^- OH 3.9 times 10^-8 M^- OH 2.3 times 10^-3 M^- OH

Explanation / Answer

1) 2Na(s) + F2(g) ------------> 2NaF(s)

2)concentration of O2(g) increases

3)1.3*10^-8M OH-

since highest pOH indicates lowest pH

pH + pOH =14

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