How many moles of gold (Au) are in 1.00 x 10-g of gold?

Which stage of the cell cycle usually takes the longest?

What type of reaction is zn + cucl2 → cu + zncl2?

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process