1. How many milliliters of 0.250 M HCl needs to react with excess Zn to produce 0.0375 mol H2? 2. How many milliliters of 0.250 M HCl needs to react with excess Zn to produce 2.5 g ZnCl2?

3. If excess Zn is added to 450 mL of 0.250 M HCl, what mass of ZnCl2 can be produced?

Use the periodic table and your knowledge of isotopes to complete these statements. when polonium-210 emits an alpha particle, the child isotope has an atomic mass of 1-131 undergoes beta-minus decay. the chemical symbol for the new element is fluorine-18 undergoes beta-plus decay. the child isotope has an atomic mass of done intro donne