How many moles of sodium are needed to react with sulfuric acid to produce 3.75 moles of
sodium sulfate according to the following (unbalanced) reaction:

Na + H 2 (SO 4 )  Na 2 (SO 4 ) + H 2

Ithink that’s it’s b

Combustion is the act or process of burning. therefore, i believe the answer is  a: burning wood. 

Answer(false);

Using dilution equationm1v1 =m2v2 ; where m1 and m1 are the intiial and final concentration, and v1 and v2 are the initial and final volume.5  × 5 m = 8 l  × m2m2 = 25/8 = 3.125 mtherefore; the resulting molarity is 3.125 m