What makes the atoms of gold unique compared to other elements on the periodic table?

If 10.0 ml of the solution on the right are withdrawn from the 100 ml beaker and diluted again in a similar manner, what is the new concentration? m nacl

What substance has a mass of 9.5g and volume of 2.1cm^3

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?