If it takes 20 mL of 0.35 M H₂SO₄ to neutralize 50 mL of NaOH solution, what is the concentration of the NaOH solution? A 0.21 M
B 0.07 M
C 0.14 M
D 0.28 M

The answer for #3 is c but i don't know why

Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.