A solution of H2SO4(aq) with a molal concentration of 1.94 m has a density of 1.119 g/mL. What is the molar concentration of this solution?

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule