Annotated Bibliography - Campus Compact

Part B: Preparing the mixture. Place a beaker on the electronic balance and hit zero (tare). Add a teaspoon of the sand to the beaker. Record the mass. Zero the balance once again and add a teaspoon of salt. Record the mass. Zero the balance again, and add a teaspoon of iron fillings (use the remaining filings in the weighing dish – conserve). ................
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