how many mg does a 433 kg sample contain? Please answer in unit converstion form.

Q: An alloy contains 78.7% zinc by mass. If a sample has a total mass of 230 grams, how many grams of…

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Q: How many total atoms are there in seven dozen molecules of nitric acid, HNO3?

A: Answer to question no. 5 (as mentioned); 1 molecule of nitric acid HNO3 contains 5 atoms ( 1 H, 1N,…

Q: 4. Make the following conversions and include an equation for each one: (a) 32 °C to °F (b) -8.6 °F…

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Q: student obtained 2.111 g of a mixture containing four components. After performing separation by…

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Q: If a certain mixture contains 29.3027% water, how many grams of water are contained in a 12.2576…

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Q: b. Give the % Cu and % Zn for each type of penny. % Cu % Zn pre '82 penny post '82 penny

A: We are to discuss the chemical composition of a penny in pre '82 and post '82 period.  A penny is an…

Q: You add 297 grams of NaCl to a container and then you add 898 grams of water to that same container.…

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Q: Calculate the mass in grams of 5.5000x10^18 molecules of dinitrogen tetroxide. Please write your…

A: Given that: Molecules of Dinitrogen tetraoxide = 5.5000×1018 molecules Mass of Dinitrogen tetraoxide…

Q: Katie heats her hydrate to remove the water and obtain the anhydrous cobalt (II) compound CoCl2. Her…

A: Molar mass of H2O is 18.02 g/mol. Molar mass of CoCl2 is 129.84 g/mol. Mass of water removed can be…

Q: A chemist has two different gasohol mixtures available. One contains 20% alcohol and the other 12%…

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Q: a) How many grams of Ca, how many of C and how many of O are contained in 20g of calcium carbonate?…

A: The form of ratios that are used to calculate the quantities of reactants or products in a chemical…

Q: 1-mass of crucible and lid containing magnesium oxide 2- mass of empty crucible and lid from this…

A: To determine the mass of crucible + Lid + Magnesium oxide therefore from the given data table the…

Q: Select all quantities whose values are exact (contains infinite number of significant figures).…

A: A number that showing perfect exactly value  , it contain infinite number of significant figure.

Q: Which compound is least soluble at 10 C? O a NaCl KCIO3 KI NH3

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Q: determine the mass percent of napthalene, NaCl, and sand from the following data. Also determine the…

A: Given: Mass of Beaker1 is 45.845. Mass of Beaker1 and sample is 47.500 g. Mass of Beaker1 and sample…

Q: Calculate the mass percent composition of each of the following Part A. 6.00 g of Si and 5.55 g of O…

A: Mass percentage can be calculated using the following formula: mass percent=masstotal mass×100

Q: What is the percent by mass of chromium (atomic mass = 52.00 g/mol) in Cr2S3 (mm = 200.20 g/mol)?…

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Q: How many atoms are contained in 4.1 g of carbon? How can you round this answer to 2 significant…

A: 1 mole of any substance contains 6.023×1023 atoms.1 moles of carbon atoms weigh 12 g.

Q: sample of water has 2.15x1024 molecules. What is the mass of the sample?

A: Molecular weight of water = 18 g/ mol 1mol of any substance contain 6.023× 1023  number of…

Q: Active Dosage Form Raw Materials Actual Yield Formulation Packaging Ingredient Calcium carbonate 2…

A: Given that -  Calcium carbonate mass = 1.75 kgs  Calcium oxide mass = 2 kgs  Water mass = 1.75 kgs…

Q: A student obtained 2.111 g of a mixture containing four components. After performing separation by…

A: Mass of the mixture = 2.111 g After performing separation by chemical and physical methods masses of…

Q: the mole is a common unit of measurement in chemistry you mat not be faniliar with mikes but one of…

A: Given : Mass of water i.e H2O = 290 g And mass of 1 mole of water = 18 g

Q: What is the percent by weight (w/w%) of sugar in soda? Assume the average mass of sugar in soda is…

A: w/w % =( mass of solute(g)/mass of solution(g))*100

Q: If you have 52% silicon dioxide in a 12.09 g sample, what mass of silicon dioxide do you have?   Am…

A: Given, Mass % = 52%  Mass of sample = 12.09 g  Mass of SiO2 = ?

Q: Calculate the number of nitrogen atoms in a 70.0 g sample of dinitrogen tetroxide (N,0.).

A: Given :- mass of N2O4 = 70.0 g  To calculate :- number of nitrogen atoms

Q: you have 125 g of a certain seasoning and are told that it contains 22.0 g of salt. What is the…

A: Given,mass of salt = 22 gmass of seasoning = 125 gSo,mass percentage of salt in seasoning = (22…

Q: Be sure to answer all parts. (a) Calculate the number of oxygen molecules and the number of oxygen…

A: 1- First Calculate the moles of O2 Molecules :  moles of O2 = ( mass / molar mass of O2 )  moles of…

Q: Convert 5910 mg/cm³ to ng/mm3 :

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Q: nitrogen oxygen hydrogen carbon dioxide Percentage in Ar: 77.85% Nitrogen is the most abundent gas…

A: Given:- Given diagram for mixture of gases and showing abundance of these. •As blue molecules are of…

Q: How many grams of LIHCO3 are present in 1.9*1o25 formula units of LIHCO3? Round your answer to 1…

A: Given information: 1.9×1025 formula units of LiHCO3

Q: 4.65x10^-2 grams of iron (iii) oxide contains how many particles? Round to sigfig

A: Solution :    The molecular mass of a substance is the one mole of that substance. One gram atomic…

Q: How many grams of gold (Au)are there in 44.64 moles of Au? Be sure your answer has the correct…

A: Given information: Number of moles of gold (Au) = Use the molar mass of gold to calculate the mass…

Q: Phosphoric acid is added to some sodas to enable more sugar to be dissolved. Some sodas have…

A: The question is based on the concept of mass percentage. The amount of substance present in hundred…

Q: (The formula in this problem may not be a real molecule.) How many grams of hydrogen atoms are…

A: Given : moles of carbon = 47 mole

Q: An antacid tablet weights 1.36g. If the percent active ingredient of calcium carbonate is 38.2%,…

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Q: Question attached

A: Given  initial mass = 2.752 g final mass = 1.941 g  a) To calculate the percent of water in the…

Q: 1) Perform unit conversions for the following values. Show your work! 1,500 mm = 0.045 mol = μmol…

A: Answer: These questions are based on unit conversions where given physical quantity needs to be…

Q: Part B: Percentage of Baking Soda in an Unknown Mixture UNKNOWN # Mass of test tube and beaker…

A: Given that -  Mass of unknown mixture used = 1.40 g  Mass of H2CO3 released = 0.51 g    From the…

Q: weighing

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Q: A 12 pound baby is to be given 2 oz of formula per kilogram of body weight every 8 hours. How much…

A: Given : Mass of baby = 12 pound  Dose of medicine = 2 oz/Kg of baby weight  Duration of dose = 8…

Q: What is the mass percent of phosphorus in P5O2?

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Q: The following prompt will be used to answer the first six questions. An experiment was performed to…

A: Given :

Q: Calculate the number of oxygen atoms in a 150.0 g sample of scheelite (CaWO4). Be sure your answer…

A: Number of Oxygen atom in 150g CaWO4 can be calculated as follows

Q: Write the overall cell reaction/cell representation Calculate the standard cell potential (Eº)…

A: The standard reduction potential for given elements are as follows,EAl+3/Al°=-1.66VEMg+2/Mg°=-2.37…

Q: Calculate the number of boron atoms in a 50.0g sample of tetraborane B4H10.   Be sure your answer…

A: Given that,  Weight of tetraborane, B4H10 = 50.0 g Molar mass of tetraborane, B4H10 = 53.32 g Moles…

Q: A sample of an unknown hydrate weighs 0.500 g and after heating it weighs 0.100 g. What is the…

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Q: 1. O3 2. (CH32S or Zn, HCI d. a. b. C. HO

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Q: b) the mass of used acetylene in pounds 0.734 0.434 0.299

A: 40 inches long and 6 inches diameter a drum contains acetylene at a initial pressure of 250 psia…

Q: 66.40g CCl4 in molecules 43.29kg NAHCO3 in formula units 3.27x10^4g Na3PO4 in formula units…

A: The concept of Avogadro's number is used here. It says that 1 mole of any substance is equal to…