6.3 g of concentrated nitric acid is diluted by adding 68g of pure water. how many oxygen molecule are present in the solution?

Mg-26 and mg-24 are pair of isotopes. isotopes are defined as atoms of the same element having same atomic number but different mass number. i hope that was .

Aquantity of that isotope to decay to 1/2 of  its original value

C: 6.94 is the correct answer

When china's civil war resumed, the nationalists held an advantage because the nationalist had more soldiers  than the communist.