ramugopi8142

Calculate the hydronium ion concentration in an aqueous solution of 0.225 M hydrosulfuric acid, H₂S (aq).

[H₃O⁺] = _______M

Calculate the hydronium ion concentration in an aqueous solution of 0.114 M hydrosulfuric acid, H₂S (aq).

[H₃O⁺] = M.

Calculate the concentration of CO₃^2- in an aqueous solution of 0.116 M carbonic acid, H₂CO₃ (aq).

[CO₃^2-] = M.

Calculate the concentration of HS^- in an aqueous solution of 0.0580 M hydrosulfuric acid, H₂S (aq).

[HS^-] = M.

A chem 101 student dissolves 10.6 g of hydrosulfuric acid (H2S) in 120 mL of water. Calculate the
pH. Ka = 9.1 × 10-8
H2S(aq) + H2O(l) H3O+(aq) + HS-(aq)

Enter a balanced chemical equation for the reaction of solid strontium with fluorine gas.       

Which term best fits each sentence? Homologous, analogous,vestigial, adaptive, convergent

The scaly skin of a snake is ________to skin of a lizard.

A snake's cylindrical body shape is ________to an earthworm'scylindrical body shape.

The pelvis of the snake is _______________.

(What did you learn about homologous, analogous, vestigial, biochemical, and fossils and their significance in evolution theory. Cite example/ Remember: do NOT us I in your conclusion... refer to Laboratory write up for a guide