Calculate the mass/volume percent of a NaCl solution in which 174 g of NaCl is dissolved in enough water to give a total volume of 1.25 L .

Non renewable resources like petroleum eventually

What is the percentage of hydrogen in c2h4

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.