FAST SO many pOINTS PLS HELP 12.4 g of sodium sulfate, Na2SO4, is dissolved to prepare 300.0 mL of solution. What is the amount concentration of sodium ions in the solution? The molar mass of sodium sulfate is 142.0428 g/mol. *
2.33 mol/L
0.582 mol/L
0.0873 mol/L
0.291 mol/L

V1t2 = v2t1 is an expression of who’s law

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments