Given the reaction at equilibrium:

N2 (g) + O2 (g) ↔2NO (g)

as the concentration of N2 (g) increases, the concentration of O2 (g) will:

a) decrease

b) increase

c) remain the same

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Calculate the formula mass for each compound. a. NO2 b. C4H10 c. C6H12O6 60. Calculate the formula mass for each compound. a. MgBr2 b. HNO2 c. CBr4 d. Cr (NO3) 3

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