IS7003 Ampholytes Demonstration
Ampholytes are compounds which react with both acids and bases. When zinc chloride is reacted with sodium hydroxide the soluble zincate ion is formed. When zinc hydroxide is reacted with hydrochloric acid, the soluble zinc chloride and water are formed.
Aligned to the Next Generation Science Standards (NGSS)*
Disciplinary Core Ideas: PS1.A; PS2.B
Performance Expectations: MS-PS1-2
Cross Cutting Concepts: Patterns
Engineering Practices: Analyzing and Interpreting Data
1 x 100mL Zinc Chloride, 0.5M Solution
1 x 250mL Sodium Hydroxide, 1.0M Solution
1 x 250mL Hydrochloric Acid, 1.0M Solution
UN1824, Sodium hydroxide solution, 8, II, Ltd Qty
UN1789, Hydrochloric acid, 8, III, Ltd Qty
*”Next Generation Science Standards” is a registered trademark of Achieve. Neither Achieve nor the lead states and partners that developed the Next Generation Science Standards was involved in the production of, and does not endorse, this product.