11) How many grams are in 2.05 x 10 molecules of dinitrogen pentoxide (N,O)? A) 36.8 g B) 0.315 g C) 317 g

Q: A compound has an empirical formula of C3H¬NO and a molar mass of 146.22 g. What is its molecular…

A:

Q: A mixture consisting of 11.6 g of calcium fluoride, CaF2, and 10.8 g of sulfuric acid, H2 S04, is…

A: Calcium fluoride reacts with sulfuric acid to form hydrogen fluoride and calcium sulfate. The…

Q: 9. What is the empirical formula for this substance? H-C-OH HO -C-H H-C-OH H-C-OH CH,OH 10. What is…

A: An empirical formula is depicted by the simplest whole number ratio of the various atoms present in…

Q: 5. How many molecules are in 1 mole of TNT C,H̟N,O,? 6. How many thallium atoms in 1 mole? 7. How…

A:

Q: An unknown compound contains 57.14% carbon, 6.16% hydrogen, 9.52% nitrogen, and the rest oxygen, by…

A:

Q: How many moles of hydrogen are in 3.06 x 10-3 g of glycine, C2H5NO2 ?

A: Moles of glycrine = given mass of glycrineMolar mass of glycrineMolar mass of glycrine (C2H5NO2) is…

Q: What mass of dinitrogen monoxide N2O, contains the same number of molecules as 3.00 g of…

A:

Q: 3. How many molecules of ammonia, NH3, are present in 0.522 moles of ammonia? A) 3.14 x 1023 B) 8.67…

A: Number of molecules is the product of the number of moles and avogadro’s number. Avogadro's number…

Q: 1. a. What is the empirical formula of a compound with the following mass composi- tion: 40.92% C…

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Q: How many moles of H2SO4 do you have if you there are 1.64x 10^12 molecules of H2SO4?

A: Data given: number of molecules of H2SO4 = 1.64 X 1012 Atomic weight of the sulphuric acid = 98.07…

Q: How many atoms of hydrogen are in 30 g of NH4NO3 (Molar mass: 80.04 g/mol) ? O A. 2.77 x 1022 O B.…

A: MOLE: The amount of substance present in whole of a compound is known as one mole and it is…

Q: What is the mass, in grams, of 9.29×1024 molecules of methanol (CH3OH

A: Given :-9.29x1024 molecules of methanolFirst convert molecules into moles9.29x1024molecules of…

Q: How many grams are there in 4.5 x10 22 molecules of MgBr ,? O 1.47 x 10 44 g 8.28 x 10 24 g 0.075 g…

A: Given  molecules of MgBr2 = 4.5 x 1022 molar mass of MgBr2 = 184.113 g/mol   Conversion factor -…

Q: A molecule is found to be 38.7% carbon, 9.7% hydrogen, and 51.6% oxygen.  Its molar mass is 124…

A: In 100 g of the sample, Mass of carbon= 38.7 g Mass of hydrogen = 9.7 g Mass of oxygen = 51.6 g…

Q: How many molecules are there in 0.500 moles of sugar, CgH1206? 90 molecules G 3.01 x 10 23 molecules…

A: Given : Moles of sugar = 0.500 mol.

Q: How many molecules are there in 39 grams of oxygen? 39.0 g O, x =? molecules O2 32.00 g 02=1 mol O2…

A: Applying formula of moles  n=w/m  No of molecules=n×NA

Q: Calculate the mass in grams of 3.07×10243.07×1024 molecules of propane. The chemical formula for…

A: Given that : The number of molecules of propane = 3.07×1024 The chemical formula for propane is…

Q: How many hydrogen atoms are in 0.1488 g of phosphoric acid, H3PO4?

A: Number of moles=Given massMolar massGiven mass of Phosphoric acid=0.1488 gMolar mass of Phosphoric…

Q: How many moles of water are in 1.23 x 10^18 water molecules

A: Given-> Number of water molecules = 1.23 × 1018 molecule

Q: How many hydrogen atoms are in 0.1488 g of phosphoric acid , H3PO4?

A: Given : mass of H3PO4 = 0.1488 g Molar mass of H3PO4 = Atomic mass of H X 3 + Atomic mass of P +…

Q: Codeine, a narcotic drug used to treat cough, has an empirical formula of C18H21NO3. What is the…

A: Please find your solution below :

Q: What mass of oxygen difluoride OF2, contains the same number of fluorine atoms as 5.20 g of…

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

Q: 4. How many atoms are present in the following? a. Sodium atoms in 3.14 mol of NaHCO, b. Nitrogen…

A: This is mole concept analysis.

Q: 4) A. Determine the empirical formula of a compound composed of 66.70g carbon, 3.70g hydrogen, and…

A: Given : Mass of C = 66.70 g Mass of H = 3.70 g Mass of O = 29.60 g Assuming the empirical formula of…

Q: What is the empirical formula of a compound that is 40% carbon, 7% hydrogen and 53% oxygen by mass…

A: ANSWER : Option (ii) CH2O is correct answer. Solution: Empirical formula  of a compound = ? that is…

Q: What is the percent composition of oxygen by mass to one decimal place in CuSO4 . 5H2O? A. 57.7%…

A:

Q: Consider a 214.6 g sample of the compound manganese(IV) perchlorate. Using the formula Mn(ClO₄)₄ (MM…

A: The mass of the sample of the compound manganese(IV) perchlorate is = 214.6 g The molar mass of…

Q: How many Cl atoms are there in 50 g of AIC13 (Molar mass: 133.34 g/mol) ? OA 4.64 x 1026 O B. 5.00 x…

A: Given, Mass of AlCl3 = 50g Molar mass of AlCl3 = 133.34 g/mol Moles of AlCl3 = 50 g133.34 g/mol =…

Q: What is the mass(in g) of 0.935 mol of acetone, CH3COCH3? A. 57.1 B. 0.0161 g C. 54.3 g D. 62.1…

A:

Q: how many molecules are in 2.49 x 10^3 g of cuso4

A: The number of molecules in 2.49 x 103 g of cuso4 has to be given,

Q: 5. How many formula units are there in 90.0 g of Mg(OH)2?

A: No of formula unit can be calculated by dividing the given weight and weight of one formula unit.

Q: A compound is found to contain 58.80 % xenon 7.166 oxygen, and 34.04% fluorine by mass.The molar…

A:

Q: How many grams of BaSO4 are in 8.61 x 1022 molecules of BaSO4?

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: A mixture consisting of 11.6 g of calcium fluoride, CaF2, and 10.0 g of sulfuric acid, H2 SO4, is…

A:

Q: How many moles of aspirin, C9H8O4, are in a bottle containing 450 g by weight? (Note: The…

A: Given,  Weight of aspirin is 450 g Atomic weight of C is 12 g/mol. Atomic weight of H is 1 g/mol.…

Q: How many molecules are there in 192 g of citric acid, C6H8O7? O 6.02 x 1023 96 192 192 x (6.02 x…

A: * Given citric acid with chemical formula                  C6H8O7  * Given mass of Citric acid = 192…

Q: How many molecules are in 3.1 x 10-3 g of C9H8O4  ?

A: Given that,  Weight of C9H8O4 = 3.1 x 10-3 g Molar mass of C9H8O4 = 180.16 g/mol Moles of C9H8O4 in…

Q: How many molecules of epsom salt, MgSO4, make up 4.6 g of MgSO4?  The molar mass of MgSO4 is 120.37…

A:

Q: What is the molar mass for the compound Orchidium Nitrate - Or(NO3)2? Orchidium has an average…

A:

Q: 2. An oxide of nitrogen contains 30.45% N and 69.55% O. What is its empirical formula?

A: Emperical formula is the simplest formula of the compound. This can be calculated by using mol ratio…

Q: How many molecules are in 4.6 x 10-20 g of ditennessine tetrabromide? The molar mass of Tennessine…

A:

Q: 9 and 9 please

A: The formula required to convert mass to moles is as follows,

Q: How many moles of water, H2OH2O, contain 2.0×10222.0×1022 molecules of water?

A: Mole is the unit of  measurement  for  amount of substance

Q: 10) What is the mass in grams of 0.852 moles of ferric oxide (Fe,O,) ? A) 136 g B) 17 g C) 5.34 x…

A: Number of moles = 0.852 mol

Q: A mixture consisting of 11.5 g of calcium fluoride, CaF2, and 10.1 g of sulfuric acid, H2SO4, is…

A:

Q: Glucose contains 39.95% C, 6.71% H, and 53.34% O, by mass. If the molar mass of glucose was found…

A: A numerical problem based on determination of molecular formula, which is to be accomplished.

Q: What is the mass (in grams) of 5.72 x 1023 molecules of CS2? O a. 157 g CS2 b. 207 g CS2 O c. 187 g…

A: Ans)         CS2  molecular weight = 76g  One mole of CS2 contains 6.023×1023            molecules

Q: 2.- A sample of the compound responsible for the pungent odor of rancid butter containing only H, C,…

A: