15 Facts on HCl + Sr(OH)2: What, How To Balance & FAQs

Strontium Hydroxide is a base and has two hydroxide ions. Let us see a few facts on HCl+ SrCO3.

Strontium Carbonate is also known as Strontium Dihydroxide. Its Hydrogen bond donor and acceptor count are 2. It is molecular weight is 121.63 g/mol. Its density is 3.62 g/cm3. HCl is a very strong acid having a density of 1.49 Kg/m3.

Let us discuss the reaction type and balancing in this article.

What is the product of HCl and Sr(OH)2?

HCl and Sr(OH)2  have the following products. Strontium Chloride (SrCl2) and water.

 Sr(OH)2   + 2HCl → SrCl2 + 2 H2O.

What type of reaction is HCl + Sr(OH)2?

The reaction between HCL plus Sr(OH)2  is an Exothermic reaction because heat is liberated, a Double displacement reaction and also an example of an acid-base reaction.

How to balance HCl + Sr(OH)2?

This reaction between HCL + Sr(OH)2  is not balanced as the number of molecules in the reactants and product are unequal.

 Sr(OH)2   + 2HCl → SrCl2 + 2 H2O

  • So, we have to balance the reaction subsequently.
  •  We should first assign coefficients to all molecules present in the reaction. We use P, Q, R, and S as we have five molecules. The reaction will look like this,
  • P Sr(OH)2 + Q HCl →R SrCl2 + S H2O. 
  •  The labeled coefficients can be used as alphabets for reactants and products.
  • Sr = P+ R, O=2P +S, H=Q+2S  Cl = Q+2R.
  • we can calculate the coefficient values using by Gaussian elimination method.
  • P=1, Q=2,R=1,S=2
  • So, the balanced equivalence of the reaction is,
  • Sr(OH)2   + 2HCl → SrCl2 + 2 H2O

HCl + Sr(OH)2 titration?

In the reaction between HCl and Sr(OH)2, titration does not occur, as robust acids like HCl cannot be used for titration, and  Sr(OH)2  can cause skin irritation.

HCl + Sr(OH)2 net ionic equation?

HCl and Sr(OH)2 have the following Ionic equation.

Sr2+ + 2OH 1- + 2H+ + 2Cl → Sr2+ + 2Cl + 2H+ + O2-

  • We should follow the steps to arrive at the net ionic equation.
  • Step-1  Write the balanced chemical equation and represent the states (physical) of reactants and products.
  • Sr(OH)2 (s) + 2HCl (aq)→ SrCl2 (s) + 2 H2O (aq).
  • Step-2 Salts, acids and bases dissociate into ions, but pure substances and molecules fail to do so. The final equation after dissociation is
  • Sr2+ + 2OH 1- + 2H+ + 2Cl → Sr2+ + 2Cl + 2H+ + O2-.

HCl + Sr(OH)2 conjugate pairs?

HCl + Sr(OH)2 reaction  has the following conjugate pairs,

  • Sr(OH)2 does not have any conjugate pairs  
  • Cl is the conjugate pair of HCl.

HCl and Sr(OH)2 intermolecular forces?

HCl + Sr(OH)2 reaction has the following intermolecular forces,

  • Sr(OH)2  has an Ionic force.
  •  HCl has Dipole-Dipole interaction and dispersion forces.
SrOH2
Intermolecular forces of Sr(OH)2

HCl + Sr(OH)2 reaction enthalpy?

HCl + Sr(OH)2 reaction, their enthalpy has not been established due to stoichiometry.

Is HCl + Sr(OH)2 a buffer solution?

HCl + Sr(OH)2 as a buffer is not possible as strong acid (HCl) is used.

Is HCl + Sr(OH)2 a complete reaction?

HCl + Sr(OH)2 reaction is a complete reaction with Strontium Chloride (SrCl2) and water as their products.

Sr(OH)2   + 2HCl → SrCl2 + 2 H2O.

Is HCl + Sr(OH)2 an exothermic or endothermic reaction?

HCl + Sr(OH)2 reaction is an Exothermic reaction because heat is liberated.

Is HCl + Sr(OH)2  a redox reaction?

HCl + Sr(OH)2 reaction is not a redox reaction as there is no change in the oxidation number of Sr.

Is HCl + Sr(OH)2 a precipitation reaction?

HCl + Sr(OH)2 reaction is a precipitation reaction Strontium Chloride is obtained as a residue.

Is HCl + Sr(OH)2 reversible or irreversible reaction?

HCl + Sr(OH)2 reaction is an irreversible reaction because heat is liberated.

Is HCl + Sr(OH)2  displacement reaction?

HCl + Sr(OH)2 reaction is a double displacement reaction.

Conclusion

In conclusion, the reaction between HCl and S(OH)2 is endothermic. No buffer solution is formed, and its reaction enthalpy has not been established yet. Sr(OH)2 plays an important role in refining sugar.