Thyroxine is a hormone secreted by the thyroid gland and has a formula of C15H11NO4I4. How many grams of iodine are there in a 5g sample of thyroxin?

Q: A student is running an experiment in which 51.7 grams of BeSO4 is needed, but the only jar of…

A: In the lab the beryllium sulfate present at beryllium sulfate tetrahydrate. The mass of BeSO4 needed…

Q: What mass of c37h49n2o12 would contain 4.35g of oxygen? What is the mass of exactly 1500 molecules…

A: Answer:- This question is answered by using the simple concept of calculation of molar mass using…

Q: How many grams of copper(II) fluoride contain 4.38 grams of Cu2+?

A: Molar mass of copper = 63.546 g/mole Number of moles of Cu2+present = given mass / molar mass = 4.38…

Q: E4. If aluminum (Al), with an atomic weight of 27, combines with oxygen (O), with an atomic weight…

A: The balanced reaction of the formation of Al2O3 is as follows: Atomic weight of Al = 27 g/mol…

Q: How many grams of phosphorus triiodide contain 1.74 grams of I ?

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: a) How many grams of carbon are in 34 g of C3H8 propane? b) How many grams of hydrogen are in 0.254…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: A patient is having an allergic reaction and takes a 50.0 mg tablet of the over‑the‑counter…

A: Given, Mass of diphenhydramine hydrochloride = 50.0mg. Moles of diphenhydramine hydrochloride can be…

Q: 1. How many ATOMS of carbon are present in 6.03 grams of carbon tetrafluoride ? atoms of carbon . 2.…

A: Given, (1) The mass of carbon tetrafluoride = 6.03 grams. (2) Number of molecules of Carbon…

Q: How many grams of oxygen are in 19 grams of sodium bicarbonate,

A: Number of moles = mass/molar mass  Molar mass of NaHCO3 = 84.007 g/mol  Molar mass of O = 15.999…

Q: 3 If you have 3.90 x 1028molecules of Sodium carbonate, how many grams do you have ?

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: Explain the Convert between grams of a compound and grams of aconstituent element ?

A: Given statement: "The subscripts in a chemical formula give relationships between moles of the…

Q: Pesto-Bishop, which helps provide soothing relief for an upset stomach, contains 300 mg bismuth…

A: 1 mg = 1000 g. The molecular formula of C21H15Bi3O2 contains three molecules of bismuth…

Q: What is the mass of 0.0157 eq carbonic acid?

A: A question to find the mass of Carbonic acid in the given equivalence.

Q: A tube of toothpaste contains 0.76 g of sodium monofluorophosphate (Na2PO3F) in 100 mL.  What is the…

A: Given : Mass of sodium monofluorophosphate i.e Na2PO3F = 0.76 g

Q: Galantamine is a drug given to patients who have Alzheimer's disease. Its chemical formula is…

A:

Q: Aspartame is an artificial sweetener that is 160 times sweeter than sucrose(table sugar) when…

A: Aspartame is an artificial sweetener that is 160 times sweeter than sucrose(table sugar) when…

Q: 3) кон _KOH + H3PO: > K3PO4 + H20 4.677 grams of KOH makes how many grams of KgPO4?

A: 3) given reaction; 3KOH  +  1H3PO4  ------>  1K3PO4  + 3H2O Amount of KOH in the reaction = 4.677…

Q: A tablet of Tylenol has a mass of 0.611g. It contains 251mg of its active ingredient, acetaminophen,…

A: A tablet of Tylenol contains 251mg of its active ingredient, acetaminophen, C8H9NO2. All the…

Q: A patient is having an allergic reaction and takes a 25.025.0 mg tablet of the over‑the‑counter…

A:

Q: contains 2.3 g of iron?

A: Mass can be defined as the quantity of matter present in a matter. The matter may be liquid, solid,…

Q: A 3.87g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 5.30x1022 N2O…

A: a) 1 molecule of N2O contains 2 nitrogen atoms, Hence, 5.30 ×1022 N N2O molecules will contain…

Q: How many particles are there in 1.43 g of a molecular compound with a gram molecular mass of 233

A:

Q: An unknown compound comprised of osmium and chlorine is 40.11% osmium by mass. a. If you assume…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: 42. Ethanol (C2H50H), a domestically produced fuel source, is often blended with gasoline. A sample…

A: Given mass of Ethanol (C2H5OH) = 45.6g To determine the number of carbon,hydrogen and oxygen atoms…

Q: Iron is found in Earth's crust as several iron compounds. Calculate the mass in kilograms of the…

A: A number of moles: The number of moles in any given sample can be estimated if the total mass of the…

Q: 4) Vitamin B3, also known as niacin, helps maintain the normal function of the skin, nerves, and…

A: To calculate the mass of niacin which consists of an equivalent number of moles as 100 mg of…

Q: How many molecules of C2H6 are there in 21.4 g of C2H6?

A:

Q: The compound 2,3−dimercaptopropanol (HSCH2CHSHCH2OH), commonly known as British anti-Lewisite (BAL),…

A: The molecular formula of BAL is : C3H8OS2 Molar mass of BAL = 124g. 1 mole =6.023x1023 atoms  mass%…

Q: A patient is having an allergic reaction and takes a 12.5mg tablet of the over‑the‑counter…

A: The mass of the tablet is = 12.5 mg = 12.5 x 10-3 g The molecular formula of diphenhydramine…

Q: 5. Fructose (C,H,,O), a simple sugar, is commonly found in soft drinks, vegetables, fruit, and many…

A: Given: molecules of Fructose = 93.0*1023 molecules molar mass of C = 12.011 g/mol molar mass of H =…

Q: If you have 10.51 grams of palladium (IV) nitrate, how many moles is this? (b) If you have 7.12…

A:

Q: A tube of toothpaste contains 0.76 g of sodium monofluorophosphate, Na2PO3F, in 100 mL. How…

A: Molecular weight of sodium monofluorophosphate, Na2PO3F = 143.95 gm/mol  Moles = weight/mol. wt. =…

Q: a benadryl tablet has a mass of 1.00g. It contains 25.0 mh of the active ingredient, diphenhydramine…

A: Mass of the component to the total mass of the mixture multiply by 100 is known as mass percentage.

Q: The nerve agent Tabun (GA) has the formula C5H11N2O2P. It is one of the lethal chemical compounds…

A: Given information: Mass of tabun = 975 mg

Q: CHEMWORK Quinine, C20H24N2O2 is the bitter tasting compound in tonic water. It is also the compound…

A:

Q: The molecular formula of aspirin is C9H8O4. How many aspirin molecules are present in one…

A:

Q: A lawn fertilizer is rated as 7.55% nitrogen, meaning 7.55 g of N in 100 g of fertilizer. The…

A: Given, A lawn fertilizer is rated as 7.55% nitrogen, meaning 7.55 g of N in 100 g of fertilizer. The…

Q: How many fluorine atoms are present in 5.38 g of C2F4? Express your answer to three significant…

A: The value is given as follows:

Q: Alex’s mass before getting the tattoo was 61.5 kg.  The tattoo contains 5.20x1023 molecules of iron…

A: Given, Alex’s mass before the tattoo = 61.5 kg  tattoo contains 5.20x1023 molecules of Fe3O4

Q: Vitamin B12, cyanocobalamin, is essential for human nutrition. Its molecular formula is…

A: Cyanocobalamin is vitamin B12 with molar mass of 1355.38 g/mol

Q: A mothball, composed of naphthalene (C10 H8 ), has a mass of 1.50 g. Part A How many naphthalene…

A: 1 mole of any atom or molecule contains Avogadro's number of atoms or molecules. Avogadro's number =…

Q: A patient is having an allergic reaction and takes a 50.050.0 mg tablet of the over‑the‑counter…

A: Given : Mass of C17H22ClNO = 50.0 mg = 0.050 g                                                (Since…

Q: Determine the mass in grams of 1.6 x 10-3 mol glucose , C6H1206

A: Number of Mole- ratio of given mass of substance to the molar mass of substance is called number of…

Q: A student is running an experiment in which 67.2 grams of CaSeO4 is needed, but the only jar of…

A: We are given a jar of calcium selenate dihydrate. The molecular formula of calcium selenate…

Q: Quinine (C20H24N2O2 ) is an anti-malaria drug. If a person had 0.0654 moles of quinine, how many…

A:

Q: A patient is having an allergic reaction and takes a 25.0 mg tablet of the over‑the‑counter…

A: Given that, a patient has an allergic reaction and takes a 25.0 mg tablet of an antihistamine…

Q: 2) How many grams of calcium chloride contains 4.08 x1024 ions of Cl?

A: Given that:  Ions of Cl- = 4.08×1024 Formula of calcium chloride = CaCl2

Q: How many grams of C are present in 1.66 grams of carbon tetrachloride?  how many grams of carbon…

A: To calculate the mass of constituents present in a compound, we must have the molar mass of…

Q: 4. A sample of acetic acid has 4.22x1024 molecules. How many grams of hydrogen are present?

A: