please please please help me
1. In this experiment, what property of NaCl is used to separate it from the other two components? Is this a chemical or physical property?

2. In this experiment, what property of CaCO3 is used to separate it from SiO2? Is this a chemical or physical property?

3. An unknown sample of a mixture of salt and sand weighs 7.52 g before washing with water and 3.45 g after. What is the percent of sand in the sample? (Show all work.)

Question

please  please please help me
1.	In this experiment, what property of NaCl is used to separate it from the other two components? Is this a chemical or physical property?

2.	In this experiment, what property of CaCO3 is used to separate it from SiO2? Is this a chemical or physical property?

3.	An unknown sample of a mixture of salt and sand weighs 7.52 g before washing with water and 3.45 g after. What is the percent of sand in the sample? (Show all work.)

anonymous · Answer

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