A10.0-milliliter sample of naoh(aq) is neutralized by 40.0 milliliters of 0.50 m hcl. what is the molarity of the naoh() 1.0 m (3) 0.25 m(2) 2.0 m (4) 0.50 m

Achemist who studies water samples did a demonstration of how to test for lead in water. she added a clear solution of potassium iodide to a clear solution of lead nitrate. then a yellow swirling solid formed in the liquid. what is most likely true about the yellow solid?