To get the gold out of the solution sodium dicyanoaurate is reacted with zinc. What mass of zinc is needed to extract all the gold. What mass of gold will be extracted?
2 Na(Au(CN),) + Zn → | Na,(Zn(CN),) + 2 Au

What is the equation for calculating rf values

Describe the process that was used in this lab to create magnesium oxide, specifically identifying the type of chemical reaction. explain why the product had a higher mass than the reactant, and how this relates to conservation of matter.

Which of the following describes geothermal energy in use