A sample of 299.5 mL of wet nitrogen gas was collected over water at a total pressure of 728 torr and a temperature of 21.0 °C. (The vapor pressure of water at 21.0 °C is 18.7 torr.) The nitrogen was produced by the reaction of sulfamic acid, HNH2SO3, with 364.6 mL of a solution of sodium nitrite according to the following equation. NaNO2 + HNH2SO3 N2 + NaHSO4 + H2O Calculate what must have been the molar concentration of the sodium nitrite.

Q: Fe(s) + H2SO(aq) → FeS0.(aq) + H2(g) The volume of the balloon was 4.8 x10° L. What mass of Fe was…

A: Equation can be written as: Fe(s)+H2SO4→FeSO4(aq)+H2(g) Molar mass of Fe = 56 g/mol H2 = Molar mass…

Q: Oxygen gas, generated by the reaction is collected over water at 27°C in a 5.87-L vessel at a total…

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Q: The vapor pressure of mercury at 20 oC is 1.7 x 10-6 atm. Your lab partner breaks a mercury…

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A: Step 1Determine the volume of the flask using the mass of water and the density of water at 18.0∘C.…

Q: A student collected 26.86 mL of H2 over water at 20.00 °C. The water level inside the collection…

A: Volume of gas V = 26.86 mL = 0.02686 L Temperature T1 = 20.00 °C = 20.00 + 273 K = 293 K  Barometric…

Q: 1) Convert a pressure of 2.18 atm to kPa. Answer in units of kPa. Convert the pressure of 2.18 atm…

A: Since you asked for multiple questions, we are entitled to solve first question only.

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Q: A sample of volume 18.3 L has a mass of 57.9 g.(a) Is the material gaseous or condensed?(b) If the…

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Q: A sample of 250.9 mL of wet nitrogen gas was collected over water at a total pressure of 753 torr…

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Q: 2Na(s) + 2H2O(1)→2NaOH(aq) +H2(g) The product gas, H2, is collected over water at a temperature of…

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Q: A sample of 257.0 mL of wet nitrogen gas was collected over water at a total pressure of 759 torr…

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Q: When 0.681 g of zinc was added to 75.0 mL of 0.3 M hydrochloric acid, hydrogen gas was produced. For…

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Q: Hydrogen gas is collected over water at 23.5 °C and an atmospheric pressure of 765 mmHg. Calculate…

A: Hydrogen gas is collected over water at 23.5 °C and an atmospheric pressure of 765 mm Hg. Calculate…

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A: Given: The volume of hydrogen gas generated = 16.99 mL The mass of magnesium taken = 0.0163 g The…

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Q: Suppose that a 26.7-mL volume of HCl solution reactions completely with 55.0 mL of aqueous Na2CO3.…

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Q: 1. Calculate the number of grams of sodium used in the reaction. (The vap 7 0°C =0035? atm )

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Q: A sample of 4.72 mol of krypton is confined at low pressure in a volume at a temperature of 68 °C.…

A: Number of mol of Krypton (initial) = 4.72 mol Temperature = 680C Root-mean square speed formula is

Q: 8. For the reaction 2H₂O(1) + 2e → H₂(g) + 2OH(aq), calculate the volume of "dry" hydrogen gas…

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Q: A mixture of argon and methane gases, in a 5.07 L flask at 51 °C, contains 5.80 grams of argon and…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A 2.00 L reaction container at 25.0 °C contains CO2 (g) and O2 (g). The total pressure of the gases…

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Q: A sample contianing 8.12g of solid CO2 is put in an empty sealed 5.4L container at a temperature of…

A: Given, the amount of CO2 =8.12 gvolume of container =5.4 Ltemperature T =250.1 Kgas constant…

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A: Introduction: The catalytic decomposition of hydrogen peroxide has occurred into water and oxygen…

Q: When solid calcium carbonate is reacted with aqueous hydrochloric acid, the products of the reaction…

A: The reaction is given as, CaCO3 + 2 HCl →CaCl2 + H2O + CO2

Q: Given the reaction: 2 Al (s) + 6 HCI (aq) 2 AICI3 (aq) + 3 H2 (g) A strip of aluminum of unknown…

A: All the required calculations have been done in the following step.

Q: A sample of oxygen gas was collected over water at a barometric pressure of 757.2 mm Hg and a…

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Q: .) This reaction occurs in large test tube at 32.0 ° C: 2 Al (s) +3 H2SO4 (aq) → 6 H2 (g) + Al2…

A: Reaction:2 Al (s) + 3 H2SO4 (aq) →  6 H2 (g) + Al2(SO4)3 (aq)Use an ideal gas equation to solve for…

Q: A sample contianing 6.88g of solid CO2 is put in an empty sealed 5.4L container at a temperature of…

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Q: A 2.43 L volume of hydrogen measured at −150. °C is warmed to 100.°C. Calculate the volume (in L) of…

A: Given: Initial Volume V1 = 2.43 L Initial Temperature T1 = -150 oC= 123 K Final Temperature T2 = 100…

Q: A sample of nitrogen gas has a volume of 167.0 mL at STP. What volume (in mL) does the gas occupy if…

A: 1) Given that: Volume of nitrogen (V1) = 167.0 mL = 0.167 L at STP that is Temperature (T1) = 273 K…

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Q: A student collected 500. mL of nitrogen at a temperature of 20.°C. The next day the student found…

A: NOTE : Since you've asked multiple questions,we'll solve first question for you. If you want any…