mass of 1.2 × 10^23 atoms of phosphorus (molar mass= 31 gm/mo

Q: If the mass of Mg is 0.19g and the product mass is 0.74g. What is the moles of Mg in the product

A: In this question, we have to calculate the number of moles of Mg produced. 1 mole of any substance…

Q: Mass of oxygen = 0.49g- 0.33g = 0.16g Number of moles = given mass / molar mass Number of moles of…

A:

Q: The molecular weight of glucose (C,H„Os) is 180 g/mole. How many grams are there in 0.18 moles of…

A:

Q: How many conversions are needed to go from mass (g) of the given to Mole (Y) of the find ?

A: We have been asked to find the no. Of steps needed to go from mass to mole of a compound.

Q: How many conversions are needed to go from mole (X) of the given to particles of the find ?

A: A question based on mole concept that is to be accomplished.

Q: the mass of 0.014 moles of sodium sulfate, in grams?

A: The relation between number of moles(n), molar mass(M) and mass (m) of a substance can be given by…

Q: Mass of watch glass and evaporating dish (g) 52.08 Mass of watch glass, evaporating dish, and Mg…

A: Given- Mass of watch glass and evaporating dish = 52.08 g Mass of watch glass, evaporating dish, and…

Q: A fuel tank used in a barbecue contains 9.8 gr. of total atoms of propane, C3H8(g)- a. What amount…

A: Because propane is made up only of carbon and hydrogen , the chemical formula is C3H8 . It's an…

Q: A stack of 500 sheets of typewriter paper is 1.9 inches thick. The thickness, in inches, of a stack…

A: Number of sheets in a stack = 3.01 × 1023 One mole contains Avogadro’s number of sheets. Therefore,…

Q: A sample of hydrated aluminum sulfate wing 2.954 g was given to a student to be used in the water of…

A: Assuming the formula of hydrated aluminum sulfate is Al2(SO4)3 . yH2O where y = number of water…

Q: determine the mass (g) of carbon in 16.55 g of glucose. Plan To find the mass of C in the sample of…

A: We know that, Molecular mass of glucose, C6H12O6 = 180.156 g/mol Number of Carbon atoms in glucose =…

Q: Cortisone consists of molecules, each of which contains 21 atoms of carbon (plus other atoms). The…

A: The given data: The number of carbon atoms present in cortisone = 21 The mass % of the carbon in…

Q: Find the percentage of mass of sodium (Na) in Na2s if it is 32.1%  sulfur (s) by mass.

A: The percentage of mass of an element in a compound is calculated by the formula,

Q: percent by mass of sulfur in P4S10

A: The given question can be solved by using the mass percentage formula which is- Mass percent = Mass…

Q: An organic compound weighing 0.6827 g is decomposed, giving 0.2095 g carbon and 0.08436 g hydrogen.…

A: Given the total mass of organic compound = 0.6827 g mass of C = 0.2095 g mass of H = 0.08436 g

Q: C4H10 and C6H12 are both hydrocarbons. Whic one contains higher mass percentage of carbon?

A:

Q: What is the empirical formula (Na?S?O?) for a pure compound consisting of 29.1% sodium, 40.6%…

A: Empirical formula is represents the simplest ratio of atom in a compound.

Q: What is the percent by mass N in Magnesium Nitrate?

A: Atomic mass of N =  14 g mol-1 Molar mass of Magnesium Nitrate (Mg(NO3)2) = 148.3 g mol-1

Q: What mass of SBF3 (179 g-mol-1) is needed to produce 1.00 g of Freon-12, CCl,F2 (molar mass = 121…

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Q: What is a MOLE? O Aunit of substance containing a certain amount expressed in grams O Aunit of…

A: The given question asks to select the right option that accurately defines a mole of any substance.

Q: If we started with 5,280g KClO3   what would be the total mass of the products (g KCl + g O2)?

A: Given, weight (KClO3) =5,280g We have to find the weight of product weight (KCl)= ? weight (O2) =?

Q: What is the mass of 5.1 mol P?

A: Given,

Q: The mass fraction of an element present in a compound can be obtained by comparing the mass of the…

A: Mass fraction of an element is defined as the total mass of the element to the total mass (molar…

Q: o determine the number of moles of H2

A: Number of moles = mass/molar mass

Q: What advantage is there to using a counting unit (the mole) inchemistry rather than a mass unit?

A: Using counting unit as mole in chemistry is advantageous as with help of this we can inter convert…

Q: A chemist is attempting to synthesize, or create ammonia, NH3 in the laboratory. He reacts 14.6g of…

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

Q: how many atoms of c are in 5.8 x 10^-3 mol of c?

A: Number of moles = Particles of sample/Avogadro's number   Avogadro's number = 6.022×1023  Number of…

Q: An element’s molar mass in grams per mole is numerically equal tothe element’s atomic mass in atomic…

A: An element's molar mass in g/mol  is numerically equal to the element's atomic mass in atomic mass…

Q: d. What is your theoretical yield of BeH2 in moles? e. What is your theoretical yield of BeH₂ in…

A:

Q: What is the mass grams that are in 6.30 × 1025 molecules of 1,?

A: Given is,  Molecules of I2= 6.30×10^25  And we know, Avogadro's number 6.022×10^23 Molar mass of I2=…

Q: (Mass of crucible and cover is 43.92 g. The mass of crucible, cover, and magnesium is 44.62g. Mass…

A:

Q: A mixture of gases has the following mass composition:0,- 16%CO -4%CO,- 17%N,- 63%. What is the…

A: Concept of percentage:- When we express a substance as a percentage then it means that how much the…

Q: When 4.008 g of sulfur is burned completely in abundant air, it combines with oxygen to form a…

A: The balanced chemical equation between sulphur and oxygen is given by

Q: A student, Ken, is given a mixture containing two carbonate compounds. The mixture includes MgCO,…

A: Given: Percent by mass of CO32- ions in sample = 69.14 %

Q: What mass of compound is present in 5.80 moles of each of the following compounds? H. ON a. Mass b.…

A:

Q: A 52-kg woman has 7.2 x 10 mol of hemoglobin (molar mass = 64456 g/mol ) in her blood. How many…

A: We know that 1 mole of any substance contains Avogadro number of molecules i.e 6.022 ×1023…

Q: An organic compound has a molar mass of 171.1 g/mol and contains 11.10 % hydrogen atoms by mass. How…

A:

Q: Completé the föllóWing tåbles. Mass of Sample Moles of Sample Molecules in Sample Total Atoms in…

A:

Q: The density of carbon tetrachloride is 1.59 g/mL. How many moles are present in 50.0 mL of carbon…

A:

Q: Narceine is a narcotic in opium that crystallizes from solu-tion as a hydrate that contains 10.8…

A: The value of x in narceine.xH2O is to be determined.

Q: Barium and sulfur react with each other in a synthesis reaction. If 0.7850 g of sulfur reacts with…

A:

Q: 18. 7.68 g/mol ® ng/molecules

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: 50.0 grams of NH3 were reacted with 110.0 g of O2 to produce NO and H2O. The theoretical yield of…

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: The molecule Al(OH), has Al atom(s), O atom(s) and v H atom(s). Therefor, the molar mass of Al(OH),…

A: Molar mass is the mass of a chemical element divided by the amount of substance (mol). It can be…

Q: 9) How many molecules of SO, are in 200 g of SO,?

A:

Q: The elements A and B combine to produce two different compounds: A3B and AB2. If 0.18 mol of A3B has…

A: We can calculate the molar mass of any substance by the following formula : Molar mass = mass of…

Q: The formula of ytterbium(III) oxide is Yb₂O₃. What is the percent by mass of oxygen in…

A: Mass percent represents the composition of an element in the given compound, which is calculated…

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.