How many MOLECULES of dioxygen difluoride are present in 9.22 grams of this compound ?

Q: Describe how the knowledge of the percent compositionby mass of an unknown compound can help us…

A: Percent (%)composition by mass helps us in identification of the compound by comparing the relative…

Q: What is the number of molecules present in 22.65 grams of NazS203?

A: Mole interms of particles :  1 mole of any substance has avogadro number of particles  1 mol =…

Q: How many Cu atoms are present in 0.5 moles of copper?

A: Avogadro concept: According to the Avogadro concept, the number of atoms present in one mole is…

Q: a. How many grams of barium carbonate, BaCO3, are present in 1.73 moles of this compound? grams b.…

A:

Q: what is the mass of 3.65 moles of sodium bicarbonate?

A: To identify the substance, it is defined as not only by the types of atoms or ions it have, but the…

Q: How many MOLECULES of dioxygen difluoride are present in 4.66 moles of this compound ?

A: given, moles of dioxygen difluoride = 4.66 moles

Q: Consider a sample of carbon tetrafluoride that contains 1.01 × 10²⁴ atoms of fluorine. What quantity…

A:

Q: A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is:

A: Given: Number of molecules of water = 4.0×1021 molecules   We know that,    1 mole = 6.023×1023…

Q: A compound of molar mass 229 g/mol contains only carbon, hydrogen, iodine, and sulfur. The analysis…

A: The ratio of the mass of carbon to hydrogen = 6:1 The ratio of moles of carbon and hydrogen =

Q: How many atoms are in 15 g LİCIO,? number of atoms: How many ions are in 15 g LiCio,? number of…

A: Number of moles of a substance is equal to the mass of substance divided by its molar mass. Write…

Q: 1. How many MOLECULES of sulfur tetrafluoride are present in 4.98 moles of this compound ?…

A: The number of moles of a substance is the given mass of that substance upon its molar mass. The…

Q: How many molecules of carbon tetrabromide are present in 2.14 moles of this compound?

A: actually, 1 mole of Carbon Tetrabromide ( CBr4 ) contains avogadro's number of molecules .  means…

Q: how many chlorine atoms are in those 20.3 grams of carbon tetrachloride?

A:

Q: How many O atoms are present in sodium perchlorate?

A: No. of oxygen atoms present in sodium perchlorate = ?

Q: A.How many moles of boron trichloride,BCl3,are present in 4.75 grams of this compound? B.How many…

A: A.  Given that,  Mass of boron trichloride = 4.75 g Molar mass of boron trichloride = 117.17 g/mol…

Q: How many moles of carbon dioxide are present in 1.03x10^23  molecules of this compound?

A:

Q: A sample of hydrogen sulfide, H2S, has a mass of 56.75 g. Calculate the number of hydrogen sulfide…

A: Number of molecules can be calculated by using following formulaNumber of molecules = moles ×…

Q: How many moles of boron tribromide are present in 4.29 x 10^22 molecules of this compound?

A: Given, Number of molecules of boron tribromide = 4.29 x 1022 molecules Number of moles of boron…

Q: Calculate the number of molecules in 210 grams of water.

A: 1) Mole in terms of particles:  1 mole = 6.022 x 1023 entities  This number is called Avogadro…

Q: How many carbon atoms are present in a 13.5 g sample of this compound? A compound is composed of…

A:

Q: A sample of ammonia has a mass of 98.5 g. How many molecules are in this sample?

A:

Q: How many GRAMS of dioxygen difluoride are present in 4.95×1022 molecules of this compound ?

A: Number of molecules of O2F2 = 4.95×1022

Q: How many moles of allicinare present in 5.00 mg of this substance?

A: Allicin is a chemical compound that characteristic smell of garlic. The chemical formula of allicin…

Q: a. How many molecules of carbon tetrachloride are present in 3.37 moles of this compound? molecules

A: This problem can be solved by knowing the number of molecules presentin one mole.…

Q: How many moles of lithium phosphate (Li3PO4) are contained in 77.7 g of lithium phosphate?

A: We will use the formula: Number of moles = Given mass/Molar mass

Q: 1. How many MOLES of carbon tetrachloride are present in 1.11 grams of this compound ?

A: Since we know that  Number of moles of the compound =( mass of the compound / molar mass of the…

Q: How many molecules of sulfur hexachloride are in a 4.24 g sample of sulfur hexachloride?

A: Dear student I have given answer to your question in the image format.

Q: How many molecules are contained in two 270.-mg tablets of petricillin

A: Number of moles = mass/molar mass  1 mol contains 6.022 × 1023 molecules

Q: How many GRAMS of fluorine are present in 1.03×1022 molecules of dinitrogen tetrafluoride ?

A: 1) Mole in terms of entities: 1 mole = 6.022 x 1023 entities Where  Entities =…

Q: How many MOLES of chromium(II) sulfite are present in 4.63 grams of this compound ?

A: Given :-  Mass of chromium(II) sulfite = 4.63 g  To calculate :-  Number of moles of chromium(II)…

Q: What is the formula mass for a compound? Why is it useful?

A: The formula mass is defined as the summation of the average atomic masses of each atom that is…

Q: Number of atoms of Carbon in 19 moles of C4H10 are:

A: Recall the data, moles of C4H10=19 moles  no. of carbon atom ?

Q: How many moles of carbon dioxide are present in 3.77x10^22 molecules of this compound?

A: Applying mole concept and avogadro number.

Q: How many formula units are contained in 78 g of calcium fluoride, CaF,?

A: Number of moles is the term which is used to express the amount of the compound or the element in…

Q: how many molecules are in 20.3 grams of carbon tetrachloride?

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: How many moles of magnesium phosphate are present in 4.77 grams of this compound?

A:

Q: How many molecules of water are present in 4.20 moles

A: Given :- number of moles of water = 4.20 mol  To calculate :- number of molecules of water

Q: How many molecules of carbon dioxide are present in 2.05 moles of this compound?

A:

Q: A.How many molecules of nitrogen trifluoride are present in 2.13 moles of this compound?   B.How…

A: To convert molecules to mole divide by 6.02×10^23 and to convert moles to molecule multiply by…

Q: 1. How many MOLECULES of sulfur dichloride are present in 3.81 moles of this compound ? molecules.…

A: Moles of compound = 3.81mole 1mole = 6.023 × 10^23 molecule Hence,3.81 mole = 3.81 × 6.023 × 10^23…

Q: 2. How many MOLES of dinitrogen tetroxide are present in 9.71×10² molecules of this compound ?…

A: The given compound = dinitrogen tetroxide = N2O4 Given number of molecules of N2O4 = 9.71×1022

Q: How many moles of sulfur dichloride are present in 4.80x1022 molecules of this compound?

A: The number of moles can be calculated from the molecules as follows:

Q: A sample of hydrogen sulfide, H2S, has a mass of 30.50 g. Calculate the number of hydrogen sulfide…

A:

Q: What is the mass (grams) of 2500. carbon atoms?

A:

Q: A sample of oxygen gas has a mass of 33.1 grams. How many O2 molecules are there in the sample?

A: Here, we have to calculate number of molecules present in 33.1 g of oxygen.

Q: How many carbon atoms are in a diamond (pure carbon) with a mass of 48 mg ?

A: 1 g = 1000 mg  So , 1mg = 10-3 g  Number of moles = mass/molar mass  Molar mass of C = 12.01 g/mol…

Q: How many molecules of nitrogen trifluoride are present in 4.03 moles of this compound?…

A: 1 mole of any particle is defined as that contains avogadro number of particles. Avogadro number is…

Q: How many moles of carbon monoxide are present in 2.89x1022 molecules of this compound?   ____moles

A: Given,The number of molecules of carbon monoxide is 2.89*1022 molecules.One mole of any substance…