what is the concentration of a solution that is made by dilutuing 50.0 mL of a 0.40 M NaCl solution to a final volume of 1000.0 mL

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

What’s the theoretical yield of solid lead