Q3/ Calcium in a 2.00 g sample is determined by precipitating Ca,C2O4, dissolving this in acid, and titrating the oxalate with 0.0200M KMNO4. What percent of CaO is in the sample if 35.6 mL KMNO4 is required for titration? (The reaction is 5H2C,O4 +2MnO, +6H* 10 CO2 +2MN2+ +8H2O).

Q: Write the correct answer with 1 place after the decimal point.   What is the molecular mass of…

A: What is the molecular mass of C10(N1O1]3?

Q: Trial KIO3 H2O Starch Time (sec) Rate 100/t (show calculations Test Tube 1 Test Tube 2 with units)…

A: Interpretation- Rate for each trial is to be calculated by using given observation table.

Q: When something cannot be directly obeserved, it can be represented by a Group of answer choices…

A: Model is defined as a specific implementation of a more general theoretical view

Q: B. Calculate the following information. USE THE FACTOR-LABEL METHOD TO DO YOUR CALCULATIONS!!! 1. A…

A: The density of a solution is calculated by the formula: Density=MassVolume   Note: Since you have…

Q: k = Mh1

A: The unit of rate constant k = M h-1

Q: 28.9 nm to μm. could I get a step by step, please?

A: 1 nanometre = 0.001 micrometre  1 nm = 0.001 μm   By using this conversion factor we can convert the…

Q: HDPE and PS are both inert to bases and acids, which plastic would you rather chose to put 1 Liter…

A: HDPE is high density polyethylene is a thermoplastic made from many ethylene molecules and it is…

Q: Questions 2 and 3 on the photo please!

A:

Q: Please help with number 12 and this is not a graded.This is not a graded question as it is a…

A: We see that the reaction rate significantly increases when dissociation of iodine bond takes place…

Q: You are asked to perform an experiment to determine the density of square block below. In order to…

A: Concept: Density is defined as mass per unit volume. Density =massVolume

Q: I need help on learning how to solve this type of questions.

A: Given that,  We have to convert 169mL/h  in units of L/d.

Q: Make a dilution series to get to 1:100. Start with making 1:10 dilution by adding 1mL of sample and…

A: A question based on concentration terms that is to be accomplished.

Q: You give your home health patient an unopened 500-mL bottle of guaifenesin and tell them to take 2…

A: Given:Volume of guaifenesin = 500 mLDosage = 2 teaspoons 4 times a dayTo determine:How long the…

Q: hates 2. In a chromatographic experiment with a nonpolar stationary phase, which compou first;…

A: Given that the coloum chromatography

Q: 33 K.= O-045 - メメ D.015-X 0.003375 - 0-045=x² x²+0.045x-0.003375=0 [Cl2], x=/D.D4M

A: RICE chart :- Here R stands for reaction  I stands for initial concentration  C stands for change in…

Q: _H2 + _N2    => _NH3

A: ANSWER

Q: M Review | Constants | Periodic Table MISSED THIS? Watch KCV 9.6, IWE 9.7; Read Section 9.6. You can…

A:

Q: 350 Line of sight

A: option last that is 380mL is correct answer

Q: NH2 HQ HQ

A: "As you have asked multiple subpart question, I am solving first three for you. If you need help…

Q: The stationary phase in gas chromatography (GC) is O liquid. ● solid. O gas.

A: We  have to tell the stationary phase in gas chromatography.

Q: Plz answer

A: To answer this question, we need to follow these steps:List the Ingredients of Each Toothpaste:…

Q: What is the major product of the following reaction? NaOH heat 17 O a. Ob. O d. none of the other…

A: Carbonyl compound undergo aldol condensation reaction in presence of base , and form first beta…

Q: Can you please type it out? It's hard to read

A: Galvanic cell reaction:  Zn(s)+ Cu(NO3)2(aq) → Zn (NO3)2(aq) + Cu(s) Since in given cell reaction,…

Q: Just question 2

A: COCl2 -----> CO + Cl2 reactant has 1 mol and product side has 2 moles. when volume of container…

Q: can you please answer question #4 on th picture

A: #4: Net ionic reaction is written by canceling all the spectator ions and keeping only the reactants…

Q: Draw the starting alkene that would lead to these major products under these conditions.

A: Alkenes are hydrogenated by the reaction with hydrogen in presence of finely divided nickel,…

Q: Monitored therapeutic drugs must have both a trough and a peak blood level drawn and tested.…

A: The objective of the question is to determine whether it is necessary to draw and test both a trough…

Q: HO, SOCI2 HO, 8

A: When a Carboxylic acid is treated with thionyl chloride , then acetyl Chloride is formed as a major…

Q: Which construction would you never use in the laboratory? (A) (B) (C) (D) (E) Construction D…

A: Different types of equipments are used in the laboratory such as beaker, flask, pipette, burette,…