Explain Molecular Weight?

Q: 21. A compound contains 70.6% carbon, 5.9% H, and 23.5% O by mass. The molecular weight of this…

A: Molecular formula of a compound tells the number of different atoms present in the compound.…

Q: Determine the number of moles of -2 magnesium used. The atomic weight of .magnesium is 24.3 g/mole

A: Given information is as follows; Mass of Magnesium = 2 g Atomic weight of Magnesium = 24.3 g/mole…

Q: + 0=C=0 OH 5. O3 then Zn, H30*

A: The starting material for the given reaction can be determined as follows:

Q: name each of the following molecular compounds a. N2O5 b. SeO2 c. RnF2 d.Si3N4

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

Q: 53: Human cells obtain energy from a reaction called cellular respiration. Balance the skeletal…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: A 2.00 g sample of an organic compound contains 0.675 g of carbon. How much carbon would a 4.00 g…

A: ◼️ Given that:  2.00 g of organic sample has 0.675 g Carbon  Carbon in 4.00 g of same organic…

Q: What is the empirical formula for C4H1002? O C2H50 O CHO O C2H40 O CH20 CHO2

A: the empirical formula of C4H10O2 is

Q: How many moles of alkanes have 2 carbon atoms if there are 0.513 g?

A: Answer: number of moles of alkane (ethane) is 0.0171 moles

Q: Chemicals Benzophenone Sodium borohydride Benzhydrol Amount 0.523 g (.... mol) 0.12 g (.... mol)…

A: Number of moles of any substance is the ratio of mass of substance to molar mass of that substance.…

Q: grams of Na+ (23 g/mol) are contained in 25 g of Na2S04 (142 g/mo

A: The question deals with the mole concept. Number of moles of a substance depends upon the amount of…

Q: POLYMER 1 molecular mass (g) weight |(g/mol) 50000 9.5 25000 8 3000 13.25 10000

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Q: An organic compound has an empirical formula of C2H30 and had an approximate molecular weight 86.…

A:

Q: A substance is submitted for combustion analysis. The results show that the compound has the…

A: In this question, only 90% of the composition is given. That is 24+32+28+6 = 90  So the question may…

Q: C. If 1.87 grams of NaHCO3 is decomposed, how many grams of Na2CO3 will be produced? NaHCO3 > NazCO3…

A: From the balanced chemical equation the following calculation is Given for the grams of Na2CO3

Q: How many C atoms are in 1.00 mole of C12H22O11?

A:

Q: How many grams of sugar is 4.5 mole of sugar? Use C12H22O11 for the general

A:

Q: Molecular weight

A:

Q: WHat is the gram molecular weight of NH3? In other words, how much does one mole of NH3 weigh?

A: The mass, in grams, of one mole of a molecular compound is called the gram-molecular weight. It is…

Q: HO MgBr 1. THE 2. H₂0*/H₂O PCC OH "Br Mg THF 1. LIAIH₂ 2. H₂O*

A:

Q: What is the molecular weight of Mg3(PO)2? 1S amu

A: Given compound is Mg3(PO4)2

Q: Determine the molecular formula of a compound that is 42.1% C, 6.49 %H, and 51.4% O. The molecular…

A: Empirical formula: It is the formula in which the elements are present in the simplest ratio in the…

Q: How many atoms are in one molecule of capsaicin, C18H27NO3

A: It is defined as " a chemical formula that gives the total number of  atoms of each constituent…

Q: Experimentally a chemist determined the molecular weight of the compound aniline to be 94.45 a/mol.…

A: A question based on percentage error in the determination of molecular weight, which is to be…

Q: A certain protein was found to contain 0.420% iron by mass. Determine the minimum molecular mass of…

A: Given: Percent by mass of iron = 0.420 %.

Q: Sucrose mass (g) Concentration (M) 0.503 0.984 1.443 1.922

A: For this we firstly need to know about the Concept of molar concentration, as we need to answer this…

Q: For numbers 20-25: Nitric acid is prepared from the reaction of 69.0 grams of nitrogen dioxide with…

A: Balanced chemical reaction: 3NO2 + H2O .....> 2HNO3 + NO  Mass of NO2 = 69.0g Mass of H2O = 36 g

Q: Question attached

A: Given that Mass of the sample 10.00 g Mass of CO2 obtained = 14.66 g Mass of H2O obtained = 6.001 g…

Q: Determine the correct formula and molecular weight for each of the following compounds: I. barium…

A: I.

Q: 1. Ваз (РО,). Ba;(PO 2. РЬСrО, 3. C13H1802 PbCrO

A: The molecular weight of the following compounds has to be given,

Q: .......... is the smallest chemical compounds found in crude oil in terms of molecular weight. O gas…

A: Crude oil is a compostion of hydrocarbons.

Q: chlorophyll contains 73,93% carbon and has a molecular weight of 893. How many carbons are there in…

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Q: Of 1) LIAIH4 2) H20 3) TSCI, pyridine b. 1) HBr 2) NaOCH3 3) O3 4) (CH3)2S с.

A:

Q: What is the molecular formula for the hydrocarbon that is 85.60% carbon and the rest hydrogen, with…

A: To solve this problem  We have to consider the mass of hydrocarbon is 100 g then the mass of carbon…

Q: If 20% by weight of nitrogen is present in a compound, the molecular weight of the compound may be…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: [1] LDA, THF,-78°C [2]

A:

Q: What is the formula weight of ibuprofen, C13H18O2? 206.285 g 112 g 90.649 g 190.285 g

A: Molecular weight is equal to the sum of the mathematical product of the mass of each element present…

Q: How many atoms are in 3.40 moles of sugar (C12H22O11)?

A: As we know that,  1 molecule of sugar have 45 atoms (=12+22+11) 1 mole of sugar = 6.022 × 1023…

Q: Make a generalization on the relationship of the number of carbon atoms and heat of combustion.

A: Heat of combustion of any substance is defined as the amount of energy released by the combustion…

Q: What are the molecular masses of the following pharmaceuticals? (a) C33H35FN;O5 (atorvastatin,…

A:

Q: What is the molecular weight of the molecule shown below? Rounc

A: The molecular weight can be calculated as the sum of the individual atomic masses of each atom…

Q: What are the molecular weights of the following compounds?(c

A: Molecular weight of the compound is the  sum of the atomic masses of all atoms present in the…

Q: Calculate the number of carbon atoms in 1.27 gg of table sugar, C12H22O11C12H22O11.

A: Number of moles is given by the ratio of mass of the substance to that of the molar substance.

Q: Serotonin (μ=176 g/mol) transmits nerve impulses be-tween neurons. It contains 68.2 mass % C, 6.86…

A: The formula in which the actual number of atoms of each elements are written as the subscripts with…

Q: How many hydrogen atoms are indicated by the formula (NH4)2C7H10O2?

A: Given formula (NH4)2C7H10O2 =…

Q: b) What is the molecular formula given that its mass is 121 g. ( to

A: Given;

Q: Mass spectrometers are used to determine which of the following? A. Composition in sample B.…

A: Mass spectrometers are the instruments which is used to determine the mass to charge ratio of…

Q: A compound with a composition of 85.62% C and 14.38% H, and a molecular weight of 56.06 g/mol

A: Composition of carbon and hydrogen are given. Considering total mass of the given compound, the…

Q: How many grams of CaCl, are in .48 moles? 53 g 230 g 36 g 0043 g

A:

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.