For the equation SnO2 + 2H2 Sn + 2H2O, tin (IV) oxide reacts with excess hydrogen to produce tin and water. What is the limiting reactant? A) SnO2
B) H2
C) Sn
D) H2O

1) this is the structure in the cell nucleus that houses a cell's genetic information

Determine the reaction and balance the following equations urgent due in the morning

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.