Double 3. List all of the metals that predictably form the following charges when they form an ion +1 +2 +3

Q: The greatest (most important) contributor to the actual structure of the ion depicted in Figure 4-7…

A: We have to find out most important contributing structure and reason behind it from the given…

Q: "Analytical data are never more reliable than the sampling technique". Explain this statement.

A: Answer- Analytical data is a collection of data that is used to support decision making and/or…

Q: want the answer in j not in kj

A: Here:

Q: General Instruction: Write your answers on the space provided in this answer sheet. You may scan or…

A: " Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: None

A: Answer image:

Q: [OH-]=3.9 x 10-6 M Express your answer using two decimal places. ? pH = %3D Submit Request Answer

A: Given  [ OH- ]   =   3.9 × 10-6 M       PH   =   ?

Q: 21.A waterway contains 10.3 milligrams of an impurity per gallon of water. How many micrograms of…

A: As you didn't mention any questions to be answered, we will be answering Q.21. As we know, 1 gallon…

Q: 15. The density of silver is 10.49 g/cm. a. What is the volume of a silver coin that has a mass…

A: Density: Density is defines as the mass per unit volume of a substance. Those substance which has…

Q: Please help answer question 8 and 9

A: Emission spectrum explain the stability by the amount of energy released. As the energy difference…

Q: 75.5 dg = O 7.55 X 10^-9Gg O 7.55 X 10^9ng O 7.55 X 10^9Gg O 7.55 X 10^-9ng

A: We have to choose the correct option  equivalent for 75.5 dg after its unit conversion.

Q: How detectors work in MS?

A: Mass spectrometry

Q: 38. What is the difference between using a number as a subscript and using a number as a coefficient…

A: Answer-1 Subscript is used to indicate number of atoms. For example, in the formula CaCl2 subscript…

Q: My available answer options for part B are: A) 5.88x10-1g B) 5.88x102g C) 1.18x100g D) 1.18x103g…

A: We need to select the correct option for the mass of oxygen

Q: the answer for number 5

A: As you have asked for question 5. Here, is the answer for electrolysis of water at standard state.

Q: A monoprotic weak acid, HA (K, = 1.78 × 104), was titrated against NaOH. A 50.00-mL of 0.04870 M HA…

A: Given: Ka of HA = 1.78×10-4 Concentration of HA (M1) = 0.04870 Volume of HA (V1) = 50.00 mL…

Q: E LEFT ALONE

A: Titrations are utilized to neutralize acid with alkali or vice-versa. The equivalents of both acid-…

Q: By definition, what reaction equation does the AG°f for liquid propanal refer to? Choose…

A: We can see that propanal have C, H and O in its formula, so to from propanal carbon, Hydrogen and…

Q: Figure 10-5 lists four anions. The best nucleophile is [ Select ] The 2nd best nucleophile is […

A:

Q: Part A Be ion Express your answer as a signed integer in the form 3+. Request Answer Previous…

A: Beryllium is a second group element.  Atomic number of beryllium is 4.  It loses two electrons and…

Q: 2.5 x 10-5 is between which two numbers? O 1 x 10-6 and 1 x 10-7 O 1 x 10-5 and 1 x 10-6 O 1 x 10-4…

A: Given number is -5we need to find out where this number lies between from given set of dataGiven…

Q: Determinate errors are often small True False O

A:

Q: Two analytical methods (potentiometry and amperometry) were used to determine the concentration of…

A: Q5)1)option 2 - 1.726 Q5)2) option 2 - Yes,they produce the similar results

Q: milk of magnesia with [H3O+] = 2.0 × 10-M X Express your answer using two significant figures.

A: Given data : [H3O+] = 2.0 × 10-9 M

Q: What volume, in mL, of 0.587 M H2SO4 is required to neutralize 12.7 mL of 0.302 M NaOH according to…

A: Since from the balanced reaction we can see that 2 mole of NaOH needs 1 mole of H2SO4 to neutralise…

Q: 2N₂Os (9) 4NO₂(g) + O₂(g) [NO₂0₂] N₂O₁ O Ke OK, O K. = NO, No, N₂O₂ NO₂0₁

A: The equilibrium constant expression for a general chemical equation: aA + bB ↔ cC + dD is: Kc =…

Q: What is the unit of the answer

A: The volume of KH2PO4 is 285.64 ml

Q: "Precision" is the ___________ of a measurement a. probability b. repeatability c. variability…

A: Precision:The closeness of two or more calculated measurements regardless of the accuracy of those…

Q: Question 2 The detector is the part that computes the area of the peaks of the gas. O True O False

A: The area of a peak is proportional to amount of the compound that is prese detector  is a device…

Q: Largest radius

A: Given ions are : K+,Ca2+,P3-,S2-,Cl-

Q: I need help with question 2a please!

A:

Q: Lead storage batteries are used in car engines. Group of answer choices True False

A: Given statement is :  Lead storage batteries are used in car engines Group of answer choices True…

Q: I need the answer for question 5

A:

Q: I picked this answer before and it was incorrect

A: IR spectroscopy is used to determine the functional groups present in the sample. Different…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A:

Q: Question 62

A: Using the standard data solve the problem

Q: I Figue 1-1 4 P sp² 777 工 NEC, 工 Ⓡ •C 3 sp千千千千 H 2 TIC 吓人 以下 p44 sp44 C 3 E H IV 又 不让我下

A: Number of valence electrons of C = 4Number of valence electrons of N = 5Number of valence electrons…

Q: What is the answer in ML?

A: Volume can be converted in mL using conversion factor .

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for