USe the equation ( Ca + 2HCl --> CaCl2 + H2) to respond to the question below. a. How many moles of HCl is required to react with Ca to produce 1 mole of CaCl2.?
b. How many moles of CaCl2 will be produce if 6 moles of HCl reacted with Ca.?

#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.