Why is the huronian supergroup rock formation particularly interesting to scientists

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?

Which of the following describes a situation where competition between producers exists

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?