If a sample of nitrogen gas (n2) contains 3.0 x 104 atoms of nitrogen, then about how many moles of nitrogen gas are in the sample?

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

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 is the atomic number of an atom that has 6 protons