How many moles of diphosphorus pentoxide contain 8.57 x 10^26 atoms of phosphorus

Spontaneity tell us the direction of the reaction, but not how fast it goes. gibbs free energy brings together enthalpy, entropy and temperature in one easy formula. g = h - ts. and, finally the sign of delta g is always negative for a spontaneous reaction.

Do you have any options?

Ithink its called the coefficent.