A 50-mL sample of 3.0 M hydrofluoric acid is titrated with sodium hydroxide. How many moles of sodium hydroxide are consumed when the endpoint is reached

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

What is the molar mass of ca(cio4)2

#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.