Hydrogen cyanide, HCN, is a poisonous gas. The lethal doseis approximately 300 mg HCN per kilogram of air when inhaled.(a) Calculate the amount of HCN that gives the lethaldose in a small laboratory room measuring 12 * 15 * 8.0 ft.The density of air at 26 °C is 0.00118 g>cm3. (b) If the HCNis formed by reaction of NaCN with an acid such as H2SO4,what mass of NaCN gives the lethal dose in the room?2 NaCN1s2 + H2SO41aq2¡Na2SO41aq2 + 2 HCN1g2

Q: Calculate the number of moles of hydrogen ions present in 200 cm ^ 3 of an acid solution that…

A: Given,  Density of H2SO4 in gd/m3 = 24.5 gd/m3  Calculate number of moles of hydrogen ions in 200…

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A: Al(NO3)3 (s)  ⟶ Al3+ (aq) + 3NO3− (aq) To calculate the number of moles of nitrate ions in 20.77 ml…

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A: Given: [Ca2+] = 0.0020 M [F-] = ? before the precipitation of CaF2. Ksp for CaF2 = 3.9 ×10-11…

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Q: What volume (in liters) of CO2 measured at STP would be produced if 22.6 mL of 3 M HCl reacted with…

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A:

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A: Carbonic acid, H2CO3 is a diprotic acid with Ka1 = 4.47*10-7 and Ka2 = 4.68*10-11  Given the…

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A:

Q: Given the reaction  Cl2(g) + H2O(ℓ) = HOCl (aq) + H+(aq) + Cl-(aq)  choose the correct statement:…

A: Given : Different - different statements.  To find : correct statement or true statement. Solution :…

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A: Given data:Calculate initial concentration of MeMA.If a balanced chemical reaction is known along…

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A: Which of the following would NOT react with cold water?

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Q: A sample of an industrial waste water is analyzed and found to contain 48.5 ppb Co3+. How many grams…

A: Given: Mass of wastewater = 1.98 × 103 Kg = 1980 Kg = 1980000 g                          (Since 1 Kg…

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Q: A patient’s sputum was collected for a laboratory analysis. The results revealed that the [H3O+]…

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Q: 5. Hydrogen cyanide has the chemical formula HCN. The compound occurs as a colourless gas or a pale…

A:

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Q: Identify the type of reaction below      Ca(OH)2(aq)  +  2 HCl(aq)  →   CaCl2(aq)  +  2 H2O(l)

A: We have to predict the type  of the reaction.

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A:

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A:

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Q: A 44.7 mL sample of a 0.403 M aqueous nitrous acid solution is titrated with a 0.212 M aqueous…

A: Given data :

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A:

Q: What is one acidifying process that produces H+ ions?

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Q: A saturated solution of hydrazoic acid, HN3, has a pH of 3.10. How many grams of HN3 are needed in a…

A: Consider the equilibrium reaction as;                  HN3 aq     ⇌     H+ aq    +    N3- aqInitial:…

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A:

Q: If it required 23.9 mL of 0.0150 M Ca(OH)2 to neutralize 25.0 mL of HNO3 , what was the initial…

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Q: Given the pKa of hypochlorous acid, HOCl, is 7.54.   What is the pH of a solution which consists of…

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Q: A

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Q: How many milliters of 0.1000 N Ba(OH)2 are theoretically required to titrate 0.0300 g of H3AsO4 to…

A: Given data is Normality of Ba(OH)2 solution=  0.1000 N  Mass of H3AsO4 =   0.0300 g

Q: . What amount of phosphorite is needed to completely react with 2.00 kg SiO2 (molar mass: 60.083…

A:

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.