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Chemistry Solutions
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Preguntas del test (13)
1Use the solubility rules in Reference Table F to classify each of the five compounds given below as soluble, slightly soluble, or insoluble:
[blank_start]________[blank_end](a) NaNO3 [blank_start]________[blank_end](b) BaSO4 [blank_start]________[blank_end](c) (NH4)2S [blank_start]________[blank_end](d) AgI [blank_start]________[blank_end](e) Sr(OH)2- Asoluble
- Binsoluble
- Csoluble
- Dinsoluble
- Eslightly soluble
2Use Reference Table G to answer the questions below:
[blank_start]_________[blank_end](a) At what temperature will the solubility of KNO3 be 60 grams per 100 grams H2O?
[blank_start]_________[blank_end](b) At what temperature will the solubility be 120 grams per 100 grams H2O?- A38
- B65
3Use Reference Table G to answer the question:
How much NaNO3 is needed to saturate 50 grams of water at 40°C? [blank_start]_________[blank_end]- A53
4A solution containing 95 grams of KNO3 dissolved in 100 grams of water at 55°C is classified as being
- Asaturated
- Bsupersaturated
- Cunsaturated
- Dultrasaturated
5What is the maximum number of grams of NH4Cl that will dissolve in 200 grams of water at 70°C?
- A62
- B70
- C124
- D226
6A solution in which an equilibrium exists between dissolved and undissolved solute must be
- Asaturated
- Bunsaturated
- Cdilute
- Dconcentrated
7At 10°C, 80 grams of a substance saturates 100 grams of water. The substance could be
- ANaCl
- BNaNO3
- CNH4Cl
- DKClO3
8As additional KNO3(s) is added to a saturated solution of KNO3 at constant temperature, the concentration of the solution
- Adecreases
- Bincreases
- Cremains the same
9The maximum quantity of KCl that can dissolve in 150 grams of water at 40°C is closest to
- A17 g
- B39 g
- C59 g
- D210 g
10How many grams of KOH are needed to prepare 250 milliliters of a 2.00 M solution of KOH (molar mass = 56.0 g/mol)?
- A1.00
- B2.00
- C28.0
- D112
11How many grams of ammonium chloride (molar mass = 53.5 g/mol) are contained in 0.500 liter of a 2.00 M solution?
- A10.0
- B26.3
- C53.5
- D107
12Which contains the greatest number of moles of solute?
- A0.5 L of 0.5 M solution
- B0.5 L of 2 M solution
- C2 L of 0.5 M solution
- D2 L of 2 M solution
13When a solution is diluted by the addition of solvent, which quantity does not change?
- Athe molarity of the solution
- Bthe number of moles of solvent
- Cthe mass percent of the solution
- Dthe number of moles of the solute
Información
- Descripción
- 10th grade Chemistry Test sobre Chemistry Solutions, creado por Logan Pollack el 10/03/2021.
- Autor
- Logan Pollack
- Idioma
- English
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