Answer Happy

Page 1 Question 3 (1 point) Given the following balanced equation: 2 KHCO₂ (s)-> K₂CO₂ (s) + H₂CO₂ (s) Molar mass of KHCO, is 100.12 g Molar mass of K,CO₂ is 138.21 g Molar mass of H₂CO, is 62.03 g A2976-gram sample of unknown mixture contains KHCO, and an inert substance. After the KHCO, mixture is decomposed, 2.370 grams of residue remains. What mass of H₂CO₂ was formed in this reaction? 00.606 g 00712g 00.317 g 00.403 Question 4 (1 point) Given the following balanced equation 2 KHCO, Bộ KyOy + HCl Molar mass of KHCO is 100.12 g Molar mass of K₂CO, is 138.21 g Molar mass of H₂CO, is 62.03 A 3.748-gram sample of unknown mixture contains KHCO, and an inert substance. As the KHCO, mixture is decomposed 0.377 g of H₂CO, was released. What mass of KHCO, was present in the original mixture? 01.52€ 01226 01.988 02118 Question 5 (1 point) Given the following balanced equation