If 170 mL of 0.123 M Ba(NO3)2 solution mix with 120 mL of 0.0870 M NaOH solution, will Ba(OH)2 precipitate? Ksp = 5.0 × 10–3

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2

If an atom has 12 protons and 13 neutrons