Balance the following equation: K_2 CrO_4 + Na_2SO_3 + HCl rightarrow KCl + Na_2

Question

Balance the following equation: K_2 CrO_4 + Na_2SO_3 + HCl rightarrow KCl + Na_2SO_4 + CrCl_3 + H_2O Generally coefficients of 1 are omitted from balanced chemical equations. When entering your answer, coefficients of 1 as required for grading purposes. Enter the coefficients for each compound, separated by commas, in order in which they appear the equation (e.g., 1, 2, 3, 4, 5, 6, 7). In the process of oxidizing I to I_2, SO^2_4 is reduced to SO_2. How many moles of SO_2 are produced in the formation of one mole of I_2? Express your answer numerically in moles.

Explanation / Answer

1) The balanced equation is

2K2CrO4 + 3Na2SO3 + 10 HCl ----------> 4KCl + 3Na2SO4 + 2CrCl3 + 5H2O

2) The reaction is

2I- + So4-2 + 4H+ ----------> I2 + SO2 + 2H2O

Thus for one moles of I2 formed one moles of SO2 is formed.

Related Questions

Navigate

• Browse (All)
• Browse B
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.