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Chapter 1: Problem 74

Which of the following can form a homogeneous mixture when mixed thoroughly with water: table salt, sand, table sugar, gold?

Short Answer

Expert verified
Table salt (sodium chloride, NaCl) and table sugar (sucrose, C12H22O11) can form a homogeneous mixture when mixed thoroughly with water, as they are both soluble in water. Sand (silicon dioxide, SiO2) and gold (Au), being insoluble in water, cannot form a homogeneous mixture.

Step by step solution

01

Identify which substances can form a homogeneous mixture with water

In order to create a homogeneous mixture, a substance must be able to dissolve in water. We will evaluate each substance to determine if it can dissolve in water: 1. Table salt (sodium chloride, NaCl) - Soluble in water 2. Sand (silicon dioxide, SiO2) - Insoluble in water 3. Table sugar (sucrose, C12H22O11) - Soluble in water 4. Gold (Au) - Insoluble in water
02

Conclusion

Based on our evaluation, table salt and table sugar are both soluble in water and can form a homogeneous mixture when mixed thoroughly with water. Sand and gold, on the other hand, are insoluble in water and therefore cannot form a homogeneous mixture.

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Most popular questions from this chapter

Is the tarnishing of silver, Ag, a physical change or a chemical change? (The chemical formula for the tarnish on silver is \(\mathrm{Ag}_{2} \mathrm{~S}\).)

In the chemical reaction for the "burning" of sugar, \(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}+6 \mathrm{O}_{2} \rightarrow 6 \mathrm{CO}_{2}+6 \mathrm{H}_{2} \mathrm{O}\), which substances are the reactants and which are the products? Does this equation represent a chemical change or a physical change?

Brass is an alloy (a solid solution) of copper, Cu, and zinc, Zn. Given this fact, answer the following: (a) Copper powder and zinc powder are ground together. Is the resulting product a solution or a heterogeneous mixture? Explain. (b) The Cu and Zn powders are ground together, and then the mixture is heated until it is molten metal. Is the molten metal a solution or a heterogeneous mixture? Explain. (c) The molten metal from part (b) is allowed to cool and solidify. Is the resulting solid a solution or a heterogeneous mixture? Explain.

Define chemistry.

Which one of the following is a homogeneous mixture: orange juice with pulp, wood, fog, bronze (made by melting copper and tin together)?
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