If the indoor water at pH 10 and containing 49 mg / L sulfur is equilibrium, calculate the concentration of each sulfur type in the environment.

Q: Which of the following statement is correct about a solution contains 0.4 M NaH2PO4 and 0.2 M H3PO4?

A: H3PO4 and NaH2PO4 are acid-conjugate pair  So, applying Henderson hasselbalech equation we get

Q: Oxalic acid, H2C2O4,is a poisonous substance used mainly as a bleaching agent. Calculatethe…

A: The objective of this question is to calculate the concentrations of all species present at…

Q: che concentrations of H3 O and HCOO¯ in this solution. (K on of H3 Ot M %3D on of HCOO- M %3D

A: Given, Moles of acid = 0.133 mol Volume of solution = 0.442 L Concentration of Acid = 0.133/0.442 =…

Q: V2. A student prepared a 0.855 M solution of chloro acetic acid, CH2CICOOH, and measured the pH to…

A:

Q: 101. The pH indicator phenol red turns pink or magenta when the pH of the medium becomes more (basic…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Use the following atomic masses (in g/mol): Mg = 24.31; O = 16; Ca = 40.08; C = 12.01; Na = 23; H =…

A: Given-> Volume of H3NSO3 = 34.26 ml = 0.03426 L  (1 L = 1000 ml) Weight of H3NSO3 = 0.3337 gm

Q: Using the table of the weak base below, you have chosen Ammonia as your weak base in the buffer…

A:

Q: 1,2-Dichloroethane is a volatile organic compound that was once added to gasoline along with the…

A: A.    Let the concentration of 1,2-Dicholoroethane  = C mg/m3 the carcinogenic risk (R) = CDL ×SF…

Q: An aqueous solution is prepared by dissolving 0.23 mol of hydrazoic acid and 0.27 mol of sodium…

A: Given: Buffer solution of hydrazoic acid i.e. HN3 and sodium azide i.e. NaN3.

Q: Bronsted-Lowry Bronsted-Lowry acid base

A:

Q: Explain why a lake on a bed of limestone is naturally buffered against the effects of acid rain.

A: The reason why lake on a bed of limestone is naturally buffered against effects of acid rain has to…

Q: Consider a 1M solution that is prepared using the salt NH4NO3. The pKb of ammonia is 4.7 and the pKa…

A: The objective of the question is to determine which statements are accurate about the contents of a…

Q: Using the table of the weak base below, you have chosen Pyridine as your weak base in the buffer…

A: Given: Kb of pyridine = 1.7×10-9

Q: The desired pH of the buffer should be equal to 4.5.    1. Compute the poH of the buffer…

A:

Q: Calculate the pH of a solution prepared from 0.200 mol of NH,CN and enough water to make 1.00 L of…

A: Given :  To calculate the pH of a solution prepared from 0.200 mol of NH4CN and enough water to make…

Q: Predict the products of each reaction, and whether the solution at equilibrium will be acidic,…

A: solution that give H+ ion is acidic solution that give OH- ion is basic

Q: Calculate the pH for 0.0150 M H₂CrO solution. For H₂CrO, Ka₁ is very large and Ka₂ is 3.10 x 10-³.

A: Given , Concentration of H2CrO4 =0.0150 M

Q: Calculate the pKa of hydrofluoric acid (HF(aq)) and hydrogen cyanide (HCN). What would be the pH of…

A: Given: concentration of HF = 5 mM = 0.005 M         concentration of HCN = 5 mM = 0.005 M Gibbs free…

Q: An analytical chemist is titrating 102.3 mL of a 1.200M solution of formic acid (H,CO, with a…

A:

Q: Formic acid, HCOOH, ionizes in water according to the following equation. The equilibrium constant…

A: :- This question is answered by using the simple concept of ionisation of weak acid and then using…

Q: Calculate the species (equilibrium) concentration of a weak acid HA in a solution that contains…

A:

Q: 1)A certain weak base has a Kb of 7.10×10-7. What initial concentration of this base will produce a…

A: 1) Given data is Kb ofvthe weak base = 7.10×10-7  pH ofvthe weak base =10.02   “Since you have…

Q: Classify the compounds according to the pH condition that would improve their solubility in water.…

A: Solubility depends upon environment.

Q: A solution is prepared by dissolving 0.0200 mole of HCl and 0.0100 mole of KOH in enough water to…

A: The first part of the question is asking for the standard Gibbs free energy change (ΔG°) for the…

Q: . Calculate the pH and all the equilibrium concentrations for the complete dissociation of a 2.0 M…

A:

Q: From the equilibrium concentrations given, what is the Kb value for NH3?  [OH−] = 3.1 × 10−3 M;…

A: In an aqueous solution ammonia dissociates as follows: NH3 + H2O  ⇌ NH4+  +  OH-

Q: The compound formula is Cu(NO,)2 15. Indicate the total number of all ions of the salt solution if…

A: 15. Copper nitrate, an ionic compound soluble in water.

Q: 11.An acid-base equilibrium system is created by dissolving 0.20mol CH3COOH in water and diluting…

A:

Q: A solution is made with 3.825 g NH,CI, dissolved in enough water to make 625 mL of solution. If the…

A: First, we calculate the concentration of the solution. After that, we calculate the [OH-] with the…

Q: Calculate the pH of a 0.299 M NH, solution. NH, has a Kp = 1.8 × 10-5. pH =

A: pH =11.366

Q: What effect does a decrease in pH have on the following equilibrium? CaCO3(s) + 2H+¹(a ¹(aq) →→→…

A:

Q: jöride ions F in the following aqueous solution (at equilibrium). A volume of 49 ml of 0.065 MNAF is…

A: Molarity of F- = 49ml×0.065M49+19ml =  3.18568M = 0.0468 M = 4.68 X 10-2 M  Thus molarity of…

Q: An analytical chemist is titrating 187.8 mL of a 0.4600M solution of piperidine (C,H, NH) with a…

A:

Q: 1. Solid NH4NO3 dissolves in water and then reacts with KOH (aq). The container releases a smell as…

A: When aqueous solution of NH4NO3 treated with KOH, acid - base reaction occurs.Here we have to give…

Q: Determine the concentration of ammonium chloride solution has a pH of 5.12. The K₁ for ammonia is…

A: NH4Cl is a salt of strong acid and weak base. It undergoes cationic hydrolysis and is acidic in…

Q: Salt Solution 0.100 M NaHSO4 0.100 M Na₂CO3 0.100 M NH3 0.100 M NaCl Measured pH 1.40 11.41 11.31…

A: Question is based on the concept of salt hydrolysis. we need to write net ionic equation for given…

Q: 3. What would the pH of rain if the SO2 concentration is 0.2 ppb and there is some ammonia added to…

A: pH is the negative logarithm of hydronium ions. Substances are classified into acidic, basic or…

Q: The ionization constant of a very weak acid, HA, is 1.9×109. Calculate the equilibrium…

A:

Q: ydroxide ion and the equilibrium pH should be high for the balanced equation. What will be F- in…

A: The Ka of HF is 6.6 × 10-4. 0.1 NaF dissociates completely and forms 0.1 M fluoride ions. These…

Q: An analytical chemist is titrating 225.3 mL of a 1.100M solution of formic acid (H,CO,) with a…

A: MH2CO2 = 1.100 M  VH2CO2 = 225.3 mL = 0.2253 L MKOH = 1.200 M VKOH = 99.62 mL = 0.09962 L pKa = 3.74

Q: Values of K, for Some Common Weak Bases Conjugate Acid Name Formula 1.8 × 10-5 4.38 × 10-4 5.6 ×…

A: Given: Kb of ammonia = 1.8×10-5

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.