Which of the following species are capable of hydrogen-bonding among themselves? (a) C2H6, (b) HI, (c) KF, (d) BeH2, (e) CH3COOH

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?