in your explar 2.64 Are molecules present in a sample of BaF2? Explain. 2.65/Are ions present in a sample of P406? Explain. 7A(17) ore all

Q: Compound X has a molar mass of 180.16 g·mol' and the following composition: element mass % carbon…

A:

Q: A dehydration reaction joins two glucose molecules to form maltose.The formula for glucose is…

A: Dehydration reactions means there is removal of water molecule, H2O

Q: Number of atoms of sulfur in 0.0218 kg of Na2S2O3

A:

Q: Cyclopropane is an interesting hydrocarbon. Instead of havingthree carbons in a row, the three…

A: (a) The empirical formula can be defined as the formula written in the simplest ration of the…

Q: ow many moles of H2O does 1.2 x 1024 molecules represent?

A: Given,  1.2 x 1024 molecules of H2O

Q: An ionic compound has the following composition (by mass): Sr, 41.4%; N, 13.2%; O, 45.4%. a What is…

A:

Q: Calculate the molecular mass (in amu) of each of thefollowing substances: (a) C6H6O, (b) H2SO4, (c)…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: Write the empirical formulas for (a) glucose, a substance also known as either blood sugar or…

A: Empirical formula : The formula which gives the simplest wholenumber ratio of the atoms of various…

Q: The number of atoms in 0.4 moles of CO2 molecules and 0.6 moles of X are equal. Accordingly, which…

A:

Q: Calculate the formula mass for compound. C6H12O6

A:

Q: 8.How many carbon atoms in 70 molecules of carbonic acid, H2CO3 are. A) 100 B) 4.8x1025 C) 70 D)…

A: Carbonic acid  have formula  H2CO3. Given Number of molecule of carbonic acid =70 Number of atom of…

Q: Calculate the number of atoms of silicon (Si) in 415 cm3of the colorless gas disilane at 0°C and…

A: GIVEN: Density of disilane =  0.00278 g cm-3 Volume of disilane = V=415 cm3   The molecular formula…

Q: If Epsom salt, MgSO4· x H2O, is heated to 250 °C, all the water of hydration is lost. Onheating a…

A: The number of molecules of water occur per formula unit of MgSO4 has to be given.

Q: Compound X has a molar mass of 86.08 g-mol¯ and the following composition: element mass % carbon…

A: 1- First Calculate the moles of C, H and O :  a) moles of C = ( 55.80g / 12gmol-1 ) = 4.65 mol  b)…

Q: 5. One carrot contains 0.75 mg of Vitamin A (C20H300) a) How many moles of Vitamin A is this? b) How…

A: Molecular formula of vitamin A = C20H30O Mass of vitamin A in one carrot = 0.75 mg = 0.75 × 10–3 g…

Q: What is the molecular weight of a sample of ferrous sulfide heptahydrate (FeS-7H20)? (Round all…

A: Molecular weight of a compound is the sum of its individual atoms' malar mass.

Q: Determine the number of atoms of O in 88.2 moles of Na₂Cr₂O₇

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

Q: Vitamin E has the chemical formula C29H50O2. How many hydrogen atoms are in one molecule of vitamin…

A: The chemical formula of Vitamin E is given as C29H50O2.

Q: Aspartame is an artificial sweetener that that is 160 times sweeter than sucrose(table sugar) when…

A:

Q: How many neutrons and electrons does 198Hg2+ have?

A: Since the atomic number of neutral Hg atom is 80 = number of electrons in Hg And in the above given…

Q: 7. The mass of 2.27 x 10-2 mol of a molecule is 1.0g. Identify the molecule. OC₂H6 Onone of these…

A:

Q: how many atoms does 4Al2(CO3)3 have

A: Given: compound 4Al2(CO3)3 To calculate: Number of atoms in given compound.

Q: How many carbon atoms are in 200 benzene (C6H6) molecules?

A:

Q: Calculate the molecular mass of the following substances: (a) Ibuprofen, C13H18O2 (a drug used as…

A: Introduction: Molar mass is the mass of 1 mole of a substance in a gram. It is also called molecular…

Q: what is the mass percent of fluorine in C2Cl4F2 9.323% 11.78% 69.58% 18.65% or 5.893%

A: Mass percent is the mass of  total mass of element divided  by total mass of compound.

Q: What is the mass of 5.83 ×1017 molecules of liquid propane, C3H8?

A: Given, Number of molecules of C3H8 = 5.83 x 1017  Molar mass of C3H8 = 44.1 g/mol First, we find the…

Q: For erythrosine, a food colornig, C20H6I4Na2O5, how many hydrogen atoms would be present in the 86.0…

A: The relation between moles, mass and molar mass can be written as:

Q: Vitamin C is a covalent compound with the molecular formula C6H8O6. The recommended daily dietary…

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

Q: A metal (M) forms a compound with the formula MCl3. If the compound contains 65.57% Cl by mass, what…

A: Let the mass of the compound be 100 g. Mass of chlorine present in the compound = 65.57 g Mass of…

Q: Compound X has a molar mass of 134.13 g mol 1 and the following composition: element mass % carbon…

A: Given that, A compound X has molar mass = 134.13 g/mol Compound X has composition are: Mass% of…

Q: Determine the simplest formulas of the following compounds: (a) tetraethyl lead, the banned gasoline…

A: (a)  C - 29.71/12 = 2.476 H - 6.234/1 = 6.234 Pb - 64.07/207 = 0.3095 Devide all by least Number,…

Q: Enter the precise mass numbers to the nearest 0.0001 mass unit. Compound A: C4H6O2 Compound B: C4H6S…

A:

Q: an oxide of iron has the formula Fe3O4. what mass percent of iron does it contain?

A: Molar mass of Fe = 55.845 g/mol.Molar mass of O = 15.999 g/mol.

Q: Find the ionic compound among these. K20 N20 O H2O O OF2

A: The ionic compounds are formed by the electrostatic attractive force between oppositely charged…

Q: Calculate the formula mass of the molecule from its structure. IN formula mass: amu N N

A: Formula mass of a molecule is defined as the sum of atomic mass of each atom present in the molecule…

Q: 17. Saccharin, an artificial sweetener that is 3000 times sweeter than sucrose, is composed of…

A: 17. Given information,    45.90% carbon, 2.73% hydrogen, 26.23% oxygen 7.65% nitrogen, and 17.49%…

Q: How many moles would 1.00 x 1023 molecules of methane ( CH4 ) represent? How many Sulfur atoms would…

A: According to avogadro's rule number of molecule present in 1 mole of substance is 6.022×1023, and…

Q: acomPound is comPosed of 54.5070 Oxygen, 4.58% H and 40.92% C by Mass a)if the conmPond has a…

A: Given,  Percentage of C = 40.92%  Percentage of H = 4.58%  And  Percentage of O = 54.50%  a).…

Q: 3.4 How are the following molecules related? Br Br OH OH

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

Q: B. Write the empirical formulas of the following compounds: 1. C₂N2 2. Na₂S₂04 3. K₂Cr207 4. C6H6

A:

Q: Calculate the mass of vanadium(V) oxide (V½O5) that contains a million (1.0 × 10°) vanadium atoms.

A: Given :- number of vanadium atoms = 1.0 × 106  To calculate :-  mass of V2O5 in grams with 2…

Q: A certain element, M, is a main-group metal that reacts with chlorine to give a compound with the…

A: Element: It is small substance which is present in pure form and it cannot be fragmented into…

Q: What mass of sodium would be in a 124.56 g sample of sodium thiosulfate? Na2S2O3?

A: Introduction: Mass of  sodium thiosulfate = 124.56 g

Q: 3- How many kinds of hydrogen atoms are there in the following molecules? a) b) C-C-0- Hs C CH:

A:

Q: 6.Calculate the mass percent of H in CH5N.

A: 1- First we will determine the mass of compound :  Molar atomic mass of C, H and N are 12, 1 and 14…

Q: The empirical formula c the mass of each eleme the ratio. This will give gives us the ratio of ato…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: How many H2O molecules are there in a snowflake weighing 1 mg?

A:

Q: A packet of an artificial sweetener contains 40.0 mg of saccharin (C7H5NO3S), which has the…

A: First find the number of moles present in the sample. The number of moles can be found using the…

Q: Compound X has a molar mass of 230.29 g•mol - 1 and the following composition: element mass % carbon…

A: Let 100 gram of compounds

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