H2 is produced by the reaction of 118.5 ml of a 0.8775 M solution of H3PO4 according to the following equation: 2Cr + 2H3PO4 -> 3H2 + 2C-PO4

(a) Outline the steps necessary to determine the number of moles and the mass of H2 produced.
(b) Perform the calculations outlined.

Can someone me with 1 to 4 plz. fast

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 is the molar mass of potassium nitrate, kno3