When H 2SO 4 is neutralized by NaOH in aqueous solution, the net ionic equation is . SO42- (aq) 2Na (aq) Na2SO4 (aq) SO42- (aq) 2Na (aq) Na2SO4 (s) H (aq) OH- (aq) H2O (l) H2SO4 (aq) 2OH- (aq) 2H2O (l) SO42- (aq) 2H (aq) 2NaOH (aq) 2H2O (l) 2Na (aq)

The air exhaled from the lungs of a smoker has a concentration of 24 ppm co. express the concentration as a percent.

Explanation for basic character?

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils