Input interpretation
potassium hydroxide + sulfurous acid ⟶ water + potassium sulfite
Balanced equation
Balance the chemical equation algebraically: + ⟶ + Add stoichiometric coefficients, c_i, to the reactants and products: c_1 + c_2 ⟶ c_3 + c_4 Set the number of atoms in the reactants equal to the number of atoms in the products for H, K, O and S: H: | c_1 + 2 c_2 = 2 c_3 K: | c_1 = 2 c_4 O: | c_1 + 3 c_2 = c_3 + 3 c_4 S: | c_2 = c_4 Since the coefficients are relative quantities and underdetermined, choose a coefficient to set arbitrarily. To keep the coefficients small, the arbitrary value is ordinarily one. For instance, set c_2 = 1 and solve the system of equations for the remaining coefficients: c_1 = 2 c_2 = 1 c_3 = 2 c_4 = 1 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 2 + ⟶ 2 +
Structures
+ ⟶ +
Names
potassium hydroxide + sulfurous acid ⟶ water + potassium sulfite
Chemical names and formulas
| potassium hydroxide | sulfurous acid | water | potassium sulfite Hill formula | HKO | H_2O_3S | H_2O | K_2O_3S name | potassium hydroxide | sulfurous acid | water | potassium sulfite IUPAC name | potassium hydroxide | sulfurous acid | water | dipotassium sulfite
Substance properties
| potassium hydroxide | sulfurous acid | water | potassium sulfite molar mass | 56.105 g/mol | 82.07 g/mol | 18.015 g/mol | 158.25 g/mol phase | solid (at STP) | | liquid (at STP) | melting point | 406 °C | | 0 °C | boiling point | 1327 °C | | 99.9839 °C | density | 2.044 g/cm^3 | 1.03 g/cm^3 | 1 g/cm^3 | solubility in water | soluble | very soluble | | surface tension | | | 0.0728 N/m | dynamic viscosity | 0.001 Pa s (at 550 °C) | | 8.9×10^-4 Pa s (at 25 °C) | odor | | | odorless |
Units
