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ch4aika [34]
4 years ago
5

Aqueous lithium sulfate was mixed with aqueous strontium chlorate, and a crystallized strontium sulfate product was formed. What

is the molecular equation for this?
Chemistry
2 answers:
Genrish500 [490]4 years ago
7 0
2Li2SO4 + Sr(ClO3)2 --> Sr(ClO3)2 + Li2ClO3
fomenos4 years ago
3 0

Balanced chemical reaction:

Li₂SO₄(aq) + Sr(ClO₃)₂(aq) → SrSO₄(s) + 2LiClO₃(aq).

Ionic reaction:

2Li⁺(aq) + SO₄²⁻(aq) + Sr²⁺(aq) + 2ClO₃⁻(aq) → SrSO₄(s) + 2Li⁺(aq) + 2ClO₃⁻(aq).

Net ionic reaction: SO₄²⁻(aq) + Sr²⁺(aq) → SrSO₄(s).

Lithium sulfate (Li₂SO₄), strontium chlorate (SrClO₃) and lithium chlorate (LiClO₃) are salts dissolved in water. Strontium sulfate (SrSO₄) has low solubility in water.

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Theoretical<br> Yield of Cu<br> based on<br> Amount of CuSO4
fiasKO [112]

Answer:

I hope this helps.

Explanation:

6 0
3 years ago
What point A on the phase diagram called?
Mariana [72]

Answer:

D) the critical point

Explanation:

Point A is the critical point in phase diagram. This is the highest temperature and pressure at which a pure material can exist in vapor/liquid equilibrium. Pretty cool!

6 0
3 years ago
Indicate the direction of polarity of each of the following covalent bonds. Please just write a + or - not the bonds.
Nostrana [21]

Answer:

1. C+ ---- O-

2. O+ ---- Cl-

3. O+ ----- F-

4. C+ ----- N-

5. Cl- ----- C+

6. S- ----- H+

7. S+ ----- Cl -

Explanation:

Electronegativity determines the polarity . There may be two atoms in a bond with high electronegativity, in such cases the positive charge is given to atom with comparatively lower electronegativity. Electronegativity determines the easiness with which an atom attract electrons in a chemical bond. A polar bond is formed when the difference in the electronegativity of two combining atoms is between 0.4 and 1.7. The correct direction is

1. C+ ---- O-

2. O+ ---- Cl-

3. O+ ----- F-

4. C+ ----- N-

5. Cl- ----- C+

6. S- ----- H+

7. S+ ----- Cl -

5 0
4 years ago
Cu(s) + 4 HNO3 (aq) --&gt; Cu(NO3)2 (aq) + 2NO2 (g) + 2H2O(l)
GREYUIT [131]

Answer:

The percent by mass of copper in the mixture was 32%

Explanation:

The ammount of HNO₃ used is:

mol HNO₃ = volume * concentration

mol HNO₃ = 0.015 l * 15.8 mol/l

mol HNO₃ = 0.237 mol

According to the reaction, 4 mol HNO₃ will react with 1 mol Cu and produce 1 mol Cu²⁺. Since we have 0.237 mol HNO₃, the amount of Cu that could react would be (0.237 mol HNO₃ * 1 mol Cu / 4 mol HNO₃) 0.06 mol. This reaction would produce 0.060 mol Cu²⁺, however, only 0.010 mol Cu²⁺ were obtained, indicating that only 0.010 mol Cu were present in the mixture. This means that the acid was in excess, so we can assume that all copper present in the mixture has reacted.

Since 0.010 mol of Cu²⁺ were produced, the amount of Cu was 0.01 mol.

1 mol of Cu has a mass of 63.5 g, then 0.01 mol has a mass of:

0.01 mol Cu * 63.5 g / 1 mol = 0.635 g.

Since this amount was present in 2.00 g mixture, the amount of copper in 100 g of the mixture will be:

100 g(mixture) * 0.635 g Cu / 2 g(mixture) = 32 g

Then, the percent by mass of Cu (which is the mass of Cu in 100 g mixture) is 32%

6 0
4 years ago
Read 2 more answers
Plpwkejnrhbgvjdhebr 15 points!
Tanzania [10]

Answer: the answer is b

Explanation:

7 0
3 years ago
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