calculate the molar mass of K2CO3 and the % CO2?
what is the molar mass of CO2? what is the molar mass of HC2H3O2?
According to the equation shown below, calculate the amount in MOLES of K2CO3 of K2CO3, that will be produced if 454 g of KHCO3 are decomposed. 2 KHCO3 (g) ---> K2CO3 (s) + CO2 (g) + H2O (l)
The reaction is: K2CO3 + 2 NH4NO3 → 2 KNO3 + CO2 + H2O + 2 NH3. What is the mass of KNO3 that is produced from 1kg of potassium carbonate and 2kg of ammonium nitrate.?
132 PROPOS22: Determining the Molar Mass of Co2 e) Determine the mass of air displaced by the inflated balloorn (0 Determine the measured mass of the CO2 in the balloon. (g) Determine the actual mass of the CO2 in the balloon. (h) Determine the molar mass of Co, () Determine the percent error in your calculated molar mass for CO2, based on the theoretical value of 44.01 g/mol. eriment, except following data: e mass of a CO2 gas sample collected...
4. What is the net ionic equation for the following reaction? (2 Pts.) K2CO3 (aq) + H2SO4 (aq) → K2SO4 (aq) + CO2 (g) + H2O (2) 5. An unknown gas has a density of 0.355 g/L at 17 °C and 189 mm Hg. (i) Calculate the molar mass of the gas? (ii) What is the identity of the gas? (2 pts.)
Consider the reaction of CO2 with KOH to form K2CO3 and H2O. If 3.80 g KOH is reacted with excess CO2 and 4.27 g of K2CO3 is ultimately isolated, what is the percent yield for the reaction?
Determine the molar mass of a gas that moves 1.25 times as fast as CO2.
Using the data below - calculate the experimentally determined molar volume of CO2 at STP given the information below: Lab Temp (T1) = 23.0 Celcius Lab Pressure (P1) = 76.3 cm HG Mass of a dry, empty stopped flask (m1) = 82.715g Mass of the same stopped flask filled with CO2 (m2) = 82.795g Volume of Water contained by stopped flask (v1) = 144.00 mL
CaCl2 + K2CO3 ---> CaCO3 + 2KCl mass CaCl2 2.0g K2CO3 2.5g Filter paper 2.0g Watch glass 31.9g precipitate 1.8g 1. calculate the theoretical concentration of calcium chloride? 2. Create a bar graph comparing the theoretical to actual percent concentrations of calcium chloride in the solution. Then calculate percent error?
2. Consider HC2H30, and NaC2H302. Calculate the molar mass of HC2H302. Calculate the molar mass of NaC2H302. (2 pts) 3. Calculate the moles HC2H302 in 2.102 g HC2H2O2. Calculate the moles NaCzH302 in 2.771 g NaC2H302 (2 pts)