_Al2O3 + _Fe - _Fe304 +_AI Balancing the equation requires inserting the correct coefficients to reflect
that no atoms are gained or lost in the reaction. Which is the correct set of
four coefficients, in order?
A. 4, 9, 3,8
O
B. 2, 8, 3,6
C. 3, 9, 3,6
D. 1,3,1,2

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never