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3 years ago

When an electron is added, the ion is called?______

Chemistry

2 answers:

torisob [31]3 years ago

8 0

Answer:

Anion

Explanation:

Positive ions are called cations: they give out

Negative ions are called anions: they always receive

Andrei [34K]3 years ago

6 0

Answer

anion

Explanation:

When an electron is added or gained, it forms a negative ion called the anion.

This makes it have more electron than the proton making it negatively charged .

Examples are chloride, bromide, fluoride which has minus 1 has their charge

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The solubility of glucose at 30°C is

weqwewe [10]

Answer:

Saturated solution

We should raise the temperature to increase the amount of glucose in the solution without adding more glucose.

Explanation:

Step 1: Calculate the mass of water

The density of water at 30°C is 0.996 g/mL. We use this data to calculate the mass corresponding to 400 mL.

$400 mL \times \frac{0.996g}{1mL} =398g$

Step 2: Calculate the mass of glucose per 100 g of water

550 g of glucose were added to 398 g of water. Let's calculate the mass of glucose per 100 g of water.

$100gH_2O \times \frac{550gGlucose}{398gH_2O} = 138 gGlucose$

Step 3: Classify the solution

The solubility represents the maximum amount of solute that can be dissolved per 100 g of water. Since the solubility of glucose is 125 g Glucose/100 g of water and we attempt to dissolve 138 g of Glucose/100 g of water, some of the Glucose will not be dissolved. The solution will have the maximum amount of solute possible so it would be saturated. We could increase the amount of glucose in the solution by raising the temperature to increase the solubility of glucose in water.

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