Calculate the number of molecules

Q: Find the number of molecules in 55.0 g of acetaldehyde (C2H4O).

A: ∘ no. of moles = given massmolar mass∘ 1 mole = 6.023×1023 molecules∘molar mass of (C2H4O) =…

Q: A compound has an epirical formula of CH2O. If the molar mass of the compound is 60g/mol, what is…

A: emperical mass=12+2+16=30 n=60/2=2

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: Leucine is an amino acid with the formula C6H13NO2C6H13NO2. Determine the number of moles of carbon…

A: Given, mass of leucine, C6H13NO2 = 51.90 g Now, moles of leucine can be calculated as,

Q: which contains the larger numbers of molecules 25.0 g HCI or 85.0 g C6H12O6

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Q: How many hydrogen atoms are in 0.1488g of phosphoric acid, H3P05

A:

Q: 3- calculate the number of (O) atom in 1.5 g of glucose (C6H1206).

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

Q: Calculate how many molecules of C13H18ClNO are in 200.0mg.

A:

Q: What is the molecular formula for a compound with the empirical formula CH and a formula mass of…

A: Empirical formula (EF) refers to the formula of a compound in which the elements are present in the…

Q: A sample of water, H2O, has a mass of 57.2557.25 g. Calculate the number of water molecules in the…

A: we know that, 1 mole=6.023 x 10^23 molecules  1 mole= molar mass of any compound. molar mass of…

Q: How many molecules of C2H4 are in 15.0 g of this compound?

A: The molecular formula of compound is C2H4. The amount of compound is 15.0 g.

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

A:

Q: . How many moles does 6.45g of Acetic Acid (HC2H3O2) contain?

A:

Q: How to calculate the number of moles of hydrogen in 15.0 moles of C2H6O?

A: • The values provided in the question are:-  i) Number of moles of C2H6O = 15.0 mol

Q: Q3. Calculate the percentage composition of Amino glutamic acid with molecular formula C3H,NO4

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Q: What is the mass of carbon present in 0.283 grams of propane (C3H8)?

A: Given data :  Mass of propane = 0.283 gram  To find : Mass of carbon present in 0.283 grams of…

Q: One bottle of pain reliever ibuprofen (C13H1802) contains 500. tablets and one tablet contains 0.200…

A: Avogadro's Number : Avogadro’s number has been defined as the number of molecules in one mole of any…

Q: Calculate the moles of bromide ions in 475 g of Aluminum bromide

A: The formula of Aluminum bromide=AlBr3 Mass of Aluminum bromide=475 g The molar mass of Aluminum…

Q: Determine the number of C atoms in 0.01 g of Caffeine C8H10N4O2

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Q: Calculate the number of moles of carbon present in the following sample. 1.271 g of ethanol, C2H5OH

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Q: Write the chemical formula, and then calculate the number of molecules in 1.00 g of lithium…

A:

Q: Arrange the following compounds from left to right in order of increasing percentage by mass of…

A: Fluorine is a halogen compound, it belongs to the 17 group of the periodic table.

Q: How many moles of (NH4)3PO4 are contained in 0.917 g of this compound?

A: Given that: Mass of (NH4)3PO4 = 0.917g Moles of (NH4)3PO4 = ?

Q: How many total atoms are in 0.770 0g of P2O5?

A: Calculate the moles of P2O5  Moles = grams / molar mass

Q: calculate the number of moles of carbon atoms in 50.0g CS2

A: Mole Mole is a quantity that represents a collection of 6.022×1023 atoms or molecules. The term…

Q: Determine the number of molecules in 120g of pentane C5H12.

A:

Q: How many sodium ions are in 125g of NA2SO4

A: In chemistry, number of moles refers to a unit of amount. It can also be defined as the mass of a…

Q: The number of moles of water in a hydrated compound is calculated to be 0.04 moles. After heating…

A: Moles of water in hydrated form= 0.04 moles Moles of anhydrous( without hydration)= 0.005 moles

Q: Calculate the number of molecules in 300.0 g Zn

A: No. of moles = mass/molar mass  molar mass of Zn = 65.38g/mol mass of Zn = 300.0g

Q: What is the percent of N in N2H4?

A: Molecular weight of N = 14 g/mol Molecular weight of  H = 1 g/mol Molar mass of N2H4 = 32 g/mol…

Q: Determine the number of water molecules in the following compound: CaSO4 • 2 H2O

A:

Q: What is the empirical formula for the given MF:C5H12

A: C5H12 IF THE RATIO OF ATOMS IN THE MOLECULAR FORMULA CAN'T BE SIMPLIFICATION FURTHER ,IN THIS…

Q: 16.04g

A:

Q: How many atoms are  in 11 molecules of P2O5

A: In a molecule of P2O5, there are two phosphorous (P) atoms and five oxygen (O) atoms. Thus, one…

Q: Calculate the number of molecules in 4.08 moles of CCl4

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

Q: How many molecules are present in 52 mg of glucose (C6H12O6)?

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Q: A compound is found to contain 37.47 % carbon, 12.61 % hydrogen, and 49.92 % oxygen by weight.

A: In chemistry, the empirical formula of a chemical compound is the simplest positive integer ratio of…

Q: How would I calculate grams of H2O2 given the experimental data?

A: Given information: Molarity of KMnO4 = 0.0968 M

Q: how to calculate the molecular formula of 65.45% carbon, 5.45% Hydrogen, 29.09% Oxygen and has a…

A: Given, % C = 65.45 % H = 5.45% O = 29.09 %

Q: Calculate the number of H atoms in 0.350 mol of C6H12O6

A: 1 mole = 6.023*1023 number of atoms /molecules

Q: Calculate the number of H atom in 3.206g of Caffeine (C8H10N4O2)

A: Molar mass of caffeine = 194.19 g/mol Mass of caffeine given = 3.206 g no. of moles of caffeine =…

Q: Write an empirical formula for each of the following:(a) Hydrazine, a rocket fuel, molecular formula…

A: The empirical formula is the chemical formula that shows the proportion of elements present in the…

Q: Calculate the number of atoms in 0.0015 moles of Cu.

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Q: How many moles are in 48 g of Fe2O3? Use 56 g/mol as the molecular weight of Fe.

A: The moles is defined as the mass of substance devided by the molar mass of substance.This means…

Q: Empirical formula of C12H1503

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

Q: Calculate the number of molecules in 27.6 grams of glucose, C6H1206. 9.23 x 1022atoms 1.05 x 1023…

A:

Q: How many molecules are in 5.34g of (NH4)2SO4

A: