For the concentration, 2NaCl (aq) + H2S(g) = Na2S(aq) + 2HCl (aq), what concentration of Na2S is produced when 4.00 liters of 2.20 M NaCl is reacted in the presences of excess H2S gas?
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For the concentration, 2NaCl (aq) + H2S(g) = Na2S(aq) + 2HCl (aq), what concentration of Na2S...
2HCl(aq)+Na2CO3(aq)→2NaCl(aq)+H2O(l)+CO2(g) a) What volume of 1.75 M HCl in liters is needed to react completely (with nothing left over) with 0.750 L of 0.300 M Na2CO3? Express your answer to three significant figures and include the appropriate units. b) A 583-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 19.1 g CO2. What was the concentration of the HClsolution? Express your answer to three significant figures and include the appropriate units.
9 of 28 A Review Constants | Periodic Table 2HCl(aq) + Na2CO3(aq) +2NaCl(aq) + H2O(l) + CO2(g) Part A What volume of 1.25 M HCl in liters is needed to react completely (with nothing left over) with 0.500 L of 0.100 M Na2CO3? Express your answer numerically in liters. ► View Available Hint(s) ΟΙ ΑΣΦ ? L Submit 9 of 28 Review | Constants Periodic Table Part B A 381-mL sample of unknown HCl solution reacts completely with Na2CO3 to...
given: 2 NiCl3(aq) + 3 Na2S(aq) --> Ni2S3(s) + 6 NaCl(aq) If necessary use Mm (g/mol) = 165.04 78.05 213.59 If 70.0 mL of a 0.400 M NiCl3(aq) is mixed 40.0 mL of a 0.800 M Na2S(aq), how many moles of the excess reactant are leftover?
Fe(s) + 2HCl(aq) --> FeCl2(aq) + H2(g) When a student adds 30.0 mL of 1.00 M HCl to 0.56 g of powdered Fe, a reaction occurs according to the equation above. When the reaction is complete at 273 K and 1.0 atm, which of the following is true? A) HCl is in excess, and 0.100 mol of HCl remains unreacted. D) 0.22 L of H2 has been produced. The correct answer is D. I can't figure out why A is...
Solution Stoichiometry Hydrochloric acid (HCl) reacts with sodium carbonate (Na2CO3), forming sodium chloride (NaCl), water (H2O), and carbon dioxide (CO2). This equation is balanced as written: 2HCl(aq)+Na2CO3(aq)→2NaCl(aq)+H2O(l)+CO2(g) a) What volume of 2.75 M HCl in liters is needed to react completely (with nothing left over) with 0.750 L of 0.300 M Na2CO3? b) A 565-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 10.1 g CO2. What was the concentration of the HCl solution? How do I...
QUESTION 7 H2S (g) can be generated by the following reaction: 2 HCl(aq) + Fes(s) + FeCl2(aq) + H2S(g) What volume (at STP) of H25 gas can be generated from 10.2 mL of 0.304 M HCI and an excess of Fes? V- _- mL Click Save and Submit to save and submit. Click Save All Answers to save all answers,
Answer the following for the reaction: CaCO3(s)+2HCl(aq)→H2O(l)+CO2(g)+CaCl2(aq) What is the molarity of a HCl solution if the reaction of 215. mL of the HCl solution with excess CaCO3 produces 10.7 LL of CO2 gas at 725 mmHg and 18∘C?
Write a balanced equation: // CaCO3 (s) + 2HCl(aq) ---> CO2(s) + CaCl2(aq) + H2O(l) // okay with this A. A flask holds a total of 402.5 g of water at 20.40C. What is the volume of the flask? (density is .9982 g/ml) ///Got .4032 L(is this correct?)/// B. Assuming that the pressure is 758.4 torr and the temperature is 24.60C, calculate the mass of dry air in the flask. (density is 1.185 g) ///Got .4778g - Is this Correct?...
(25) An OPEN system contains hydrogen sulfide gas (H2S (g)...think rotten egg smell) at a concentration of PH2S 5x104 atm. The following two (2) equilibrium expressions apply (note: the term aq" refers to the liquid species of H2S) KH 0.08 M/atm (2) H2S (aq) H +HS H2S (aq) (1) H2S () K4 1070 a. Calculate the equilibrium H2S (aq) Concentration (in M) for this OPEN system and show the line on the Log C vs pH diagram. h Using the...
WOL 2. What volume of 0.250 M HCl is required to completely react with 0.350 g of Na2CO3? Na2CO3(s) + 2HCl(aq) + 2NaCl(aq) + H2O(l) + CO2(g) 3. Calcium carbonate decomposes at high temperatures to give calcium oxide carbon dioxide. What volume of CO2 will be collected at 950 torr and 500°C when 75.0 g of CaCO3 react? CaCO3(s) → Cao(s) + CO2(g) 4. How many mL of 0.250 M KMnO4 are needed to react with 3.36 g of FeSO4...