Sam is stationary and then starts skateboarding. His velocity increses to 5m/s west over a period of 10 seconds Whats sams average acceleration​

1.17 mol hcl and 2.5 mol naoh react according to the equation hcl + naoh -> nacl + h2o . if the limiting reactant is hcl, determine the amount of excess reactant that remains. answer in units of mol.