How many moles are in 6.4grams of copper​

Describing intermolecular forces use the drop down menus to match the type of intermolecular force to its name dipole dipole interactions dipole induced dipole interactions london dispersion forces hydrogen bond van der waals forces done

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Who discovered a pattern to the elements in 1869?