A student found that her mixture was 13% NH4Cl, 18% NaCl and 75% SiO2. Assuming that her calculations are correct, what did she most likely do incorrectly in her experiment? Group of answer choices The sublimation process was not complete. The extraction process was not complete. The decantation process was not complete. The filtration process was not complete. The drying process was not complete.

Q: 2. Explain how suction filtration is carried out in the laboratory. Give the important points that…

A: As per bartleby guidelines I answered only first question so please don't mind.Thanks in advance.

Q: Match each structure to its mass spectrum.

A: a.

Q: Which equation below violates the law of conservation of mass? a. 2H2+ O2 –→ 2H2O b. KCl + Br –→ KBr…

A: Law of conservation of mass = It sates that in a chemical reaction no mass is created or destroyed,…

Q: Gas chromatography would NOT be appropriate to use for a sample that is decomposed by heat a mixture…

A:

Q: d. The property of a substance that is used to separate a mixture of liquids in a distillation is…

A: The reaction involved is: C2H5Br + NaOH → C2H5OH

Q: QI/A-Fill in the blanks 1- 2- is the collection of all of the components in the sample containing an…

A: Given:  Q1/ A- Fill in the blanks is answered here. Since more number of questions are asked, first…

Q: What volume of 3.51 M KOH is required to prepare 211.0 mL of 0.750 M KOH? a. 1.24 × 10–2 mL b.…

A: Given: First Values of KOH Concentration, M1= 3.51MVolume,   V1 = ????       Second Values of KOH…

Q: There are three sets of sketches below, showing the same pure molecular compound (ammonia, molecular…

A: To determine the type of sketch at given 4 , we use given melting and boiling point.  From this we…

Q: A student is asked to prepare 45.0 mg of a sample to be used in a mixed melting point test. The…

A: Given, Mass of the sample needed to be prepared = 45.0 mg % of A in the sample = 65.0 % % of B in…

Q: Nitroglycerine ( C, H,N,0,) is a very strong explosive that degrades over time and is too shock…

A: Number of moles is calculated by using the formula: Number of moles=Given massMolar mass…

Q: 1a. Throughout the experiment, what are some possible sources of error that could have led to…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: If you do not heat your crucible strongly enough to remove all volatile impurities when you heat the…

A: The loss of water happening during the inital heating or during the second heating is not relevant.

Q: Take about 5 ml of dil. HCl in a test tube and add a few pieces of fine granules to it.Which gas is…

A: If the metal granules are added into the acid, metal reduces the hydrogen to H2 and MCl (in case of…

Q: OH 時 10% КОН CH3 water, boill

A: In this question, we want to draw the structure of Products.  You can see details mechanism and…

Q: Emily attempts to separate a mixture of iodine crystals, table sugar, and iron powder. First, she…

A:

Q: More than 40% of the world's population has limited access to clean water. One proposed method for…

A: Separation technique is used for the purification and separation of substance. Some of the…

Q: How many significant figures should your answer have? 8.101 + 0.10 = O 1 O 2 O 3 O 4 O 5 O 6 O 8

A: In addition, significant figure of answer will be equal to less significant figure in all given…

Q: The two stages that take place during distillation are filtration followed by evaporation…

A:

Q: Suppose that unbeknownst to you, your thermometer consistently reads 2.10 °C too high. Would this…

A: To answer: If temperature reads consistently high, how it'll affect the molar mass of any compound.

Q: hich type of distillation is suitable for "less drastic conditions"?

A: Distillation  It is a separation technique that can be used to either increase the concentration of…

Q: A gas chromatograph can be used to (more than one answer may be correct) O purify large quantities…

A: Gas chromatography is a technique based on the differential partitioning and migration of components…

Q: What are the uses of recrystallization, decolorization, and sublimation?  Give  examples of each.

A: Recrystallization is process of removing insoluble solid impurities from an organic compound. The…

Q: What problems of society can analytical chemists help in finding solutions? How do they do it?…

A: Analytical chemistry deals with the analysis of different substances. In the process firstly, the…

Q: Draw 6 water molecules in each beaker below.  On the left should be 6 liquid water molecules. On the…

A: The rate of evaporation is inversely proportional to strength of intermolecular forces.  Solids have…

Q: If the furnace initially contained 22.322.3 kg of solid calcium oxide and 10.510.5 kg…

A: Given: Mass of CaO = 22.3 kg Mass of P4O10 = 10.5 kg  To find: mass of calcium phosphate in kg…

Q: Complete the Calculations to find the weight NV= wt %3D 60 lo00 0,945 = 60 %3D loou

A: We can solve the calculation by cross multiplication. We know that, normality is the gram equivalent…

Q: 10. A student analyzed a limestone sample but forgot to dry it. He found 31.20% CaO, whereas the…

A:

Q: Sort (from smallest to largest) the number of ethanol molecules present in each of these samples.…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Discuss some applications of simple distillation and steam distillation. Explain why you can use…

A: In distillation process liquid is converted into vapour and then condense to liquid form .

Q: Dr. Albert Apale, a well known Chemist, tested Random samples in the laboratory. The compounds were…

A: Compounds are classified as :  Ionic Saturated with 6 carbon molecules Unsaturated with 6 carbon…

Q: 1. HBr 2. 1. Hg(OAc)2, H20 2. NaBH4

A:

Q: Consider these compounds: A. BaF2 B. PbCrO4 C. PbI2 D. ZnS Complete the following statements by…

A: The question is based on the concept of solubility product Principle.   it states that a weak…

Q: Explain the difference between a general mixture and an aqueous mixture.

A: Mixture is combination of two or more chemical substances which are not chemically combined.

Q: Was there any physical change in the characteristics of trichloroethane when it was added to water?

A: Trichloroethane is micible in water. When it is added to water there is no any physical change.

Q: BASIC PURE SUBSTANCE MIXTURE DESCRIPTION (color; physical state; transparent/translucent/opaque;…

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

Q: I2 is in c8h18

A: Polar solutes dissolve in polar solvents and non-polar solutes dissolves in non-polar solvents.

Q: Classification of Compounds Chemical System Intensity of Light Classification Distilled water…

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Q: I need help finding the %Composition for %cychohexane and %toluene. The formula (area of peak/total…

A: To determine: % composition for Cyclohexane and toluene

Q: BaCl2٠2H2O What is the mass salt?  What is the mass water?  What is the mass percent?

A: Ans

Q: Calculate the Molar mass of a volatile liquid (g/mol) from the following data:- Mass of dry flask,…

A: Mass of dry flask = 142.722g Mass of vapor = 143.801 Volume = 1.127 liter Temperature of degree…

Q: Order the following chemicals from lowest to the highest melting point. • Lead • Carbon dioxide •…

A: Melting point is the temperature at which the solid and liquid of a pure given substance exist in…

Q: Please answer subparts to question 4. A,B, and C   4. For each substance described below, indicate…

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Q: 1. Heating can remove some or all of the "waters of hydration". Does heating the chemical structure…

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Q: You are given three unknown samples stored in screw-capped containers and was told to analyse them.…

A: A nanoparticle is a small particle that has a size between 1 to 100 nanometres.  As size of…

Q: a. [1) UAIH, CI (2) HO b. [1] UAIH, [2] H20

A: Answer:- This question is answer bu using the simple concept of chemical reactions of organic…

Q: wakr Vapor content Belatie hmidity 15°C 15°C 15°C गमण्य गनु

A: Humidity is the concentration of water vapour present in the air. Relative humidity is the…

Q: Write balanced complete ionic equation for NazPO4 (aq) + CaCl2 (aq) → Ca3(PO4)2(s) + NaCI(aq).…

A:

Q: Which of the following methods is not an appropriate method for purifying a solid under normal…

A:

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.