Mg + 2HCl → MgCl2+H2

1) What volume of hydrogen at STP is produced from the reaction of 50.0g of Mg and the equivalent of 75 g of HCl?

2) How much of the excess reagent is left over?

If a solution had a ph of 7 what is the solution

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

What is the measured amount of a product obtained from a chemical reaction?