Copper in Silver Nitrate Lab

1005 Words May 16th, 2013 5 Pages
Copper in Silver Nitrate Lab: Making Silver
Sabrina Kate S. Carranza – Chemistry Hour 6

I. Purpose:
The purpose of this experiment is to distinguish the relationships between reactants and products, in addition to expanding on concepts such as single displacement reactions, mole ratio values, moles to mass, theoretical yields, limiting reactants, excess, stoichiometric relationships and percentage errors.

II. Hypothesis: /3
-If the copper metal is submerged in the silver nitrate solution then in reaction, a pure, solid (Ag) silver product is created with an excess of (Cu (NO3)2) copper (II) aqueous liquid because a single displacement reaction occurs where the balance equation is then
2AgNO3 + Cu(s) 2Ag + Cu (NO3) 2
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10) Take the plastic weighing tray and record the mass in your data table.
11) Put on gloves and wear safety glasses.
12) Find and extract the remaining copper wire out of the mixture using forceps and rinse the copper wire with distilled water so that the water goes into the plastic container. Rinse the wire several times. Place the wire in the weighing tray.
13) When the tray is thoroughly dry, determine its mass. Record the mass in the data table. You have to wait until day three to weigh the copper.
14) Let the crystals of the silver settle in the plastic container and decant off the liquid.

15) Wash the residue three or four times using about 5-10 mL of distilled water. No residue of blue color should remain in your silver crystals.
16) Place the container in the drying oven. It must be dried overnight.
DAY THREE:
17) Weigh the dried silver product and beaker
18) Record this into the quantitative data table V. Data Results:
Raw Data:
Table 1. Qualitative Data: Day 1 to 3 Observations DAY 1 | DAY 2 | DAY 3 | | | | Copper wire turned white when submerged in distilled water, little crystal-like substances forming on copper | Copper disintegrated (reacted), clumps of powder substance formed in the blue solution | Dry, white solid formed; silver product. Powder like, shiny and glittery |

Table 2. Quantitative Data: Masses and Volume Initial mass of 10 cm Copper Wire (g) | 0.7842 g | Mass of plastic

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