g What volume of 0.10 M NaOH could be added to 200.00 mL of 0.10 M HNO2 to make an effective buffer solution

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

Particles vibrate in a rigid structure and do not move relative to their neighbors.

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.