Question

In: Chemistry

Calculate the mass of each sample. 13.5 mol HNO2 1.40 ×10−3mol H2O 69.4 mmol SO2 1.34...

Calculate the mass of each sample.

13.5 mol HNO2
1.40 ×10−3mol H2O
69.4 mmol SO2
1.34 mol xenon dioxide

Expert Solution

Molar mass of HNO₂ = (1 x 1 + 1 x 14 + 2 x 16) = 47 g/mol

Thus, the mass of 1 mol HNO₂ = 47 g

Therefore the mass of 13.5 mol HNO₂ = 47 x 13.5 = 634.5 g

-------------------------------------------------------------------------------------

Molar mass of H₂O = ( 2 x 1 + 1 x 16) = 18 g/mol

Thus the mass of 1 mol H₂O =18 g

Therefore the mass of 1.40 ×10⁻³ mol H₂O = 18 x 1.40 ×10⁻³ = 0.0252 g

------------------------------------------------------------------------

Atomic mass of sulfur = 32 g/mol

Molar mass of SO₂ = (1 x 32 + 2 x 16) = 64 g/mol

Thus the mass of 1 mol SO₂ = 64 g

Therefore the mass of 69.4 mmol or 69.4 x 10^-3 mol SO₂ = 64 x 69.4 x 10^-3 = 4.4416 g

---------------------------------------------------------------

Atomic mass of xenon = 131.293 g/mol

Molar mass of XeO₂ = (1 x 131.293 + 2 x 16) = 163.293 g/mol

Thus the mass of 1 mol XeO₂ = 163.293 g

Therefore the mass of 1.34 mol XeO₂ = 163.293 x 1.34 = 218.81262 g

queen_honey_blossom answered 2 years ago

Calculate mass in grams : 0.755 mol zinc chloride 0.203 μmol potassium chlorate 0.424 mmol POCl3...

Calculate mass in grams : 0.755 mol zinc chloride 0.203 μmol potassium chlorate 0.424 mmol POCl3 4.32 × 10-3 mol (NH4)2HPO4 0.789 mol S 3.99 mol N 4.86 mol Al

Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10...

Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. (a) How many electrons are there in 3.77 liters of water? (1 liter is equivalent to 1.00 × 10-3 m3) (b) What is the net charge of all these electrons?

Calculate the mass of 10.0 mmol (SS) or 1.00 mmol of trans-cinnamic acid and the theoretical...

Calculate the mass of 10.0 mmol (SS) or 1.00 mmol of trans-cinnamic acid and the theoretical yield of 2,3-dibromo-3-phenylpropanoic acid? m.w of trans-cinnamic acid: 148.2 m.w of 2,3-dibromo-3-phenylpropanoic acid: 308

10. A mixture of 0.08729 mol of H2O, 0.1041 mol of CH4, 0.08069 mol of CO,...

10. A mixture of 0.08729 mol of H2O, 0.1041 mol of CH4, 0.08069 mol of CO, and 0.1098 mol of H2 is placed in a 1.0-L steel pressure vessel at 1034 K. The following equilibrium is established: 1 H2O(g) + 1 CH4(g) 1 CO(g) + 3 H2(g) At equilibrium 0.06283 mol of CO is found in the reaction mixture. (a) Calculate the equilibrium partial pressures of H2O, CH4, CO, and H2. Peq(H2O) = ____ . Peq(CH4) = ____ . Peq(CO)...

Calculate the mass and volume of 150 mmol of benzaldehyde, and the theoretical yields of benzoin,...

Calculate the mass and volume of 150 mmol of benzaldehyde, and the theoretical yields of benzoin, benzil, and benzilic acid expected from that much benzaldehyde. I'm pretty sure that you use 2 mol of benzaldehyde per 1 mol of the other compounds, but you might want to check to make sure. Please calculate the theoretical yield in grams. Thank you very much.

Determine the energy of 1.40 mol of photons for each of the following kinds of light....

Determine the energy of 1.40 mol of photons for each of the following kinds of light. (Assume three significant figures.) A. infrared radiation (1430 nm ) B. ultraviolet radiation (135 nm )

Chem Question - Gases Molar Mass N = 14.01 g/mol Molar Mass H2O = 18.016 g/mol...

Chem Question - Gases Molar Mass N = 14.01 g/mol Molar Mass H2O = 18.016 g/mol Vapor Pressure of Water at 25 C is 23.76 torr Vapor Pressure of Water at 65 C is 187.54 torr (Show all work and calculations, include units in answer. If calculations must be used in several parts, rounding should be made to 6 decimal points to ensure accuracy. Final Answers can be rounded to 3 decimal points.) A syringe filled with air can be...

Calculate the mass and volume of 2.00 mmol of methyl salicylate, the theoretical yield of salicylic...

Calculate the mass and volume of 2.00 mmol of methyl salicylate, the theoretical yield of salicylic acid from that much methyl salicylate, and the minimum volume of water needed to recrystalize that much salicylic acid?

Calculate the mass (in g) of each sample. 6.31×1020 SO3 molecules 2.4×1022 H2O molecules 4.6×1025 O3 molecules...

Calculate the mass (in g) of each sample. 6.31×1020 SO3 molecules 2.4×1022 H2O molecules 4.6×1025 O3 molecules 9.85×1019 CCl2F2 molecules

Calculate ΔS if 2.10 mol of liquid water is heated from 0.00 ∘C to 13.5 ∘C...

Calculate ΔS if 2.10 mol of liquid water is heated from 0.00 ∘C to 13.5 ∘C under constant pressure if CP,m=75.3J⋅K−1⋅mol−1. The answer the the problem above is 7.62 J/K The melting point of water at the pressure of interest is 0.00 ∘C, and the enthalpy of fusion is 6.010 kJ⋅mol−1. The boiling point is 100. ∘C, and the enthalpy of vaporization is 40.65 kJ⋅mol−1. Calculate ΔS for the transformation of the same amount of water H2O(s,0.00∘C) →H2O(g,100.∘C) Can you...