An aliquot of 50.00 ml of carbonated water is added 4 ml of nh3 / nh4+ buffer, a pinch of eriochrome t black, and it's titled with a
0.01200 m solution in edta. the solution changes color after adding 13.73 ml of the titling agent. calculate the total hardness of the water,
expressed in ppm of caco3

1. why does the same side of the moon always face earthc.the rotational period of the moon is equal to one revolution around earth2. which is greater the moons period of rotation or its period of revolution  b.the moons revolution period around earth3.what was the major accomplishment of the apollo missions  c.sending the first human into space4. which of these space missions involved the deployment of lunar roversa. voyager 15. which scientists are going to explore next on kepler-186fd. evidence of existence of life6.which mission is not going to explore the outside of the solar  systemb.safir7.which technology limit the future of space explorationb. scientist must first develop certain technologies before missions can be completed.

Don’t know. don’t care.look it up on google

13 protons and 14 neutrons.  this also means that the amount of electrons also is 13 because electrons have the same amount as protons..the atomic number means the amount of protons (which effectively tells you the electrons) the atomic mass, tells you the amount of protons and neutrons in the nucleus.hope this . 

Convection  systems distribute heat energy by the circulation of air.