Determine the amount in grams of KCI that exists in 20.3 g of a solution that contains 1.14 % KCI by mass

Q: Peak A has a height of 172 mm and a width at half height of 14.7 mm. Peak B has a height of 85 mm…

A: Given :-  Height of Peak A = h = 172 mm  Width of Peak A at half height = w1/2 = 14.7 mm  Height of…

Q: 4O6 is called ________. N2Cl4 is called________.

A: Non-metal oxides are formed by covalent bond between non-metal and oxygen.

Q: True or false. A primary standard solid must be weighed accurately and diluted to an accurately…

A: Analytical chemistry.

Q: The gold content of an ore is being measured. The results of these analyses are:  Content (ppt)…

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

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A: Given that,Volumetric pipette = Density of water = 1.000 g/mL

Q: 1. Mass of beaker 2. Mass of beaker and 25mL of water from 100mL GC 3. Mass of beaker and add'l 25…

A: Percent error of the instruments should be known to carry out any experiment.

Q: Data Set (all ±0.001g) Mass Mass ID Mass of Mg| ribbon /g Trial crucible + crucible + lid + lid /g…

A: The question is based on the determination of composition of the product obtained. systematically,…

Q: Pre-Heat Item Crucible Lid Crucible Crucible & Lid Crucible Lid & Sample Sample (Preheat)…

A: During the crystallization of a solid some water molecules remain in the structure of the solid.…

Q: Method Mass (g) Veylinder Veylinder (mL) Deylinder (g/mL) % error Digital Calipers Water mm mL…

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Q: Every hour a quality control manager records the temperature ( in degree centigrade) in the…

A: Data recorded after some constant interval of time is a data of interval level. It is given that a…

Q: The following image depicts a centrifuge rotor with six sample holders. The blue sample holders…

A: To use a centrifuge rotor, we need to balance it. To balance it - All sample tubes should be evenly…

Q: The largest gem-quality diamond ever found is the Cullinan diamond, found in 1905 in South Africa.…

A: To find out the cost a Cullinan diamond, given that the uncut diamond weighs 3106.75 carat and the…

Q: Balances 1. Determine the mass of a nickel on two different analytical balances and two different…

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Q: Test Tube #2: Unknown sample (KCLO3 + KCL) 1. Determine the weight of unknown heated. 2. Determine…

A: In the presence of a MnO2 catalyst, KClO3 decomposes to form potassium chloride and oxygen gas on…

Q: (vv)% = (10.0 mL150 mL) × 100 %Here, first solve the bracket,= (0.06666) × 100%now, do…

A: Interpretation: The concepts of v/v, w/v and molarity are to be explained.

Q: A particular beer is 6.50 % ethanol by volume. If a single bottle of beer contains a total of 750.0…

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Q: The torsion prescription balance has a sensitivity requirement of 0.004 g. and an error of not more…

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Q: How many grams of a solution that is 5.2 % sucrose by mass are needed to obtain 18 g of sucrose

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Q: • Part A Glycine has the zwitterion structure shown но Draw the structure of glycine that will…

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Q: C. Standardization Weight of vial and KHPH 59.09 Weight after 1st transfer 58.2 Weight after 2nd…

A: Given data,Mass of KHPh in flask 1=0.8gMass of KHPh in flask 2=1.7gMass of KHPh in flask…

Q: stimate the absolute standard deviation and the coefficient of variation for the results of the…

A: Solutions- Absolute standard deviation-Find the sum of the data values, and divide the sum by the…

Q: 2pt/min=___ pt/h using dimensional analysis

A: Dimensional analysis is a method used for solving problems.This method is also known as unit factor…

Q: What is the percent loss on drying in the sample? *

A: Weight of crucible + sample before drying (w1) = 11.9276 g Weight of crucible + sample after drying…

Q: tempeRATUR E PERATURE

A: The relation between Standard Enthalpy and Standard Gibbs free energy is

Q: Is the precision of your two trials within 5 %?. Support your answer with calculations

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Q: Chemistry 1.A fabric specimen weighs 2.341g when completely dried and 2.495g under standard…

A: Given that, for a fabric specimen  The weight of the completely dry sample is D = 2.341 g. The…

Q: A lawn fertilizer is rated as 6.97% nitrogen, meaning 6.97 g of N in 100 g of fertilizer. The…

A: Given: Mass of nitrogen = 6.97 g Mass of fertilizer = 100 g Known: Molar mass of nitrogen = 28 g/mol…

Q: Please give the full calculation + explanation for each step.

A: The formula for percent by mass or mass percent is given as :

Q: A 28. NR Use the following information to answer the next question. Xenon tetrafluoride is a binary…

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Q: Can somebody help me with this problem by explaining the transition there at the bottom? How it went…

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