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How many moles of ions are in a solution of 7.4 moles FeCI3 in 500 mL water? If 5sinθ = 3 determine the value of:
1. cos (θ-360)
2. Tan (squared)θ
3. Sin θ x cos θ (all divided by cos (squared θ)? Ayuda me sale error al intentar subir una foto a mi pregunta :((? Chi mi sa spiegare questa dervata (ln^2x)/x dx? Naphthalene sublimation rate=3*10^-5/min. Volume of room=60m^3. How would I calculate the naphthalene concentration in the air of the room?