6.4 moles of lithium chloride is dissolved to make 1.9 liters of solution. What is the molarity?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Which statement best describes the function of enzymes?

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.