n unknown mass of benzoic acid istitrated to the end point with a sodium hydroxide solution. The sodium hydroxide solution was made by dissolving 4.6556 g of sodium hydroxide in 500 mL total (using a volumetric flask). The initial burette reading is 43.74 mL and the final reading is 2.38 mL. Find the massof benzoic acid solution and the error

Can you guys me with question no. 5!

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?