هنا استفسارات كيمياء 110 للتحضيري

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ممكن تحلو السؤال هذا لاني مني عارف كيف حلو

Use the following to answer questions a-b:For the reaction at 430°C,
H2(g) + I2(g) =2HI(g) Kc = 54.3. Initially 0.714 moles of H2 and 0.984 moles of I2 and 0.886
moles of HI are placed in a 2.40 L vessel.
a) The equilibrium concentration of H2 is _____.
(a) 0.070 M�� (b) 0.182 M (c) 0.152 M (d) 0.012 M