Given your experience in mass determinations and volumetric glassware, which factor used in calculating the density-mass or volume-is likely to be measurable with greater precision?

Q: In terms of mass, calculate the percentage of the active ingredient for each of the following…

A: Mass percentage is defined as the total mass of the substance( here active ingredients) divided by…

Q: What are replicates in Analytical Chemistry? O The component of a sample that repeats over different…

A: Analytical chemistry is the repeated analysis of a single sample and is a measures of the greatest…

Q: What is the difference in mass between a nickel that weighs 4.8 g and a nickel that weighs 4.8673 g?

A: Given,  Mass of nickel = 4.8…

Q: If the density of ethanol is 0.789 g/mL, how many cm3 can be produced by the fermentation of 45.4 kg…

A: Ethyl alcohol is formed by enzyme action on sugars and starches by fermentation. C6H12O6 → 2 CO2 + 2…

Q: Some mixtures do not have the same composition, properties, and appearance throughout. Why?

A: Mixtures are defined as the substances which is formed when two or more substances are combined such…

Q: Given the data below, calculate the mass of copper in the original sample. Mass of original sample…

A: This question can be solved using simple subtraction.

Q: How many formula units of sodium chloride are there in 1.53 miles?

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Q: Select the set-up for the mass % of fluorine, F, in PF3. O (27/42) x 100 O (9/42) x 100 O (19/50) x…

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Q: Which of the following mixtures can be separated by handpicking? *

A: Seperation techniques :  Few common methods of seperating substsances (or) mixtures are  1.…

Q: The density of gold metal is 19.3 g/cm3, while that for silver is 10.5 g/cm3. Suppose you had the…

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Q: A My Hôme OWLV2 | Online teaching and learning resource from Ce [References] The population density…

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Q: Please write the names of the fundamental laws which explain the properties of mass and define one…

A: There are three fundamental laws of chemistry which explains the properties of mass . These are as…

Q: 6. Given your experience in mass determinations (Experiment 1) and with volumetric glassware…

A: There is two common methods mostly used in chemical laboratory are the determination of mass and…

Q: Which part of the description of a compound or element refers to its physical properties and which…

A: Physical property: Physical property of an element or compound includes chemical composition,…

Q: Complete the following tables.

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Q: Part A Calculate the mass percent composition of iron for Fe2 O3 (hematite). Express the mass…

A: Mass percent of component = (mass of component / total mass of compound ) × 100

Q: 3. A student forgot to pre-measure the mass of the second evaporating dish prior to decanting the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A student obtained the data below after performing a similar experiment described in this…

A: Mass of hydrated salt = mass of crucible, cover and hydrate - mass of crucible and cover. So, Mass…

Q: On the molecular level, what does it mean for a solid sample to be pure?

A: Applying concept of pure solid / substance via molecular basis explanation.

Q: 1.Which of the following statements about a compound is incorrect? (a)  A molecule of a compound…

A: The question lies in basic chemistry of atoms, molecules and compounds. Let us first be clear about…

Q: Chemical Formulas as Formulas: Converting between Grams of a Compound and Gram of a Constituent…

A: First convert given mass in kg  into grams .

Q: If liquid bromine has density = 3.12 g/mL, how many Br2 molecules are present in a 1.0-mL sample of…

A: Given: Density of liquid bromine (d) = 3.12 g/ml The volume of liquid bromine =1.0 ml To find:…

Q: Class A 25 mL Pipette Calibration Actual Volume Mass of Water Delivered, g Calibration Initial Mass,…

A: Data given: Calibration # Initial mass, g Final mass, g Mass if water delivered, g Actual volume…

Q: R2 R2 он Nanocrystalline MgO CH,CN, 100 °C R1 R1 2

A: Nanocrystalline substances are chemical substances which are used in small scale and which exhibit…

Q: You have a sample of soil. Soil is a heterogeneous mixture. You separate the different size…

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Q: The natural abundances of elements in the human body, expressed as percent by mass, are: oxygen…

A: The given data contains, person weighs =62 kg =62000 g. Natural abundances in mass percent are, O…

Q: What is the mass of 4.00 cm^3 of sodium, with a density of 0.97 g/cm^3?

A: MATHEMATICAL TREATMENT OF MEASUREMENT RESULTS Learning Objectives By the end of this section, you…

Q: Suppose now that you wanted to determine the density of a small crystal to confirm that it is…

A: total volume = 20.0 mL volume of CHCl3 = x volume of CHBr3 = 20 - x total mass = 20 x 2.07 = 41.4 g…

Q: An analyst performed an analysis of a sample for its calcium ions content got the following results:…

A: Accuracy means the agreement of a particular value to the true value. Hence accuracy is the measure…

Q: All of the platinum ever mined = 25 ft3 What is the price of all of the paltinum ever mined?…

A: The conversion of volume of platinum from 25 ft3 into cm3 can be done as,

Q: Given your experience in mass determinations and with volumetric glassware, which factor used in…

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Q: what is the mass in grams of 1.49 x 10^17 chromium atoms?

A:

Q: Commercial ibuprofen tablets contain 200 mg of ibuprofen each. The commercial tablets have the…

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

Q: Why is decoration rather than filtration the preferred method of separating the salt from the…

A: The process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture…

Q: 1.28 x 1023 molecules of C10H22 would have what number of carbon atoms? 6.

A:

Q: The elements of Group 1-B (Cu, Ag, and Au) are sometimes referred to as the “coinage  metals.” Why?…

A: Elements Copper ( Cu),  Silver ( Ag) and Gold (Au) are called as 'coinage metals' because as they…

Q: Saponification is a process in which soap is produced from the chemical reaction between  animal fat…

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Q: given your experience in mass determinations (Experiment 1) and with volumetric glassware…

A: Density of a substance can be calculated from mass and volume of it.  The more precise measurement…

Q: 1. SC.912.P.8.2 - Discuss volume, compressibility, density, conductivity, malleability, reactivity,…

A: When a mixture(or a pure substance) has a single phase in it, it is called homogenous system. When…

Q: 2. A student performs a separation mixture and obtains the following data: Mass (g) 75.254 g 80.524…

A: Since mass of empty beaker =75.254 g mass of beaker + mixture = 80.524 g => Mass of mixture =…

Q: Crime scene investigators keep a wide variety of compounds on hand to help with identifying unknown…

A: Elemental analysis of the compound revealed that it contains  63.57% carbon 6.000% hydrogen 9.267%…

Q: You wish to prepare 217 grams of 19.0 % Cr(CH3COO). You will need grams of chromium(II) acetate and…

A: Given, 217 gram of 19% Cr(CH3COO)2 solution.we are asked to calculate the mass of Cr(CH3COO)2 and…

Q: What is the mass, in grams, of 7.82 x 1016 molecules of oxygen?

A:

Q: Is there a difference between a homogeneous mixture of hydrogen and oxygen in a 2:1 ration and a…

A: Is there a difference between a homogeneous mixture of hydrogen and oxygen in a 2:1 ration and a…

Q: What is being represented by the picture belovn a compound being physically separated into its…

A: Element: The element is formed by only one type of atom. All the atoms in the element are the same.…

Q: An 8.53 mg sample contains 1.72 mg of phosphorous.  What is the mass percentage of phosphorous in…

A: Given  mass of phosphorous = 1.72 mg mass of compound = 8.53 mg  Formula : mass percentage of…