John Adams was the first US president to

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m