A displacement reaction takes place when calcium is placed in a solution of zinc chloride. Which substances will most likely be produced by the reaction? Ca + ZnCl2 →

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

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.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate