Q2) How many molecules of ethane (C2H6) are present in 0.334 g of C2H6? 03)

Q: Be sure to answer all parts. How many molecules of ethane (C2H6) are present in 0.217 g of C¿H6? x…

A: By using the concept of no. of moles First we will calculate no. of moles , and then we can…

Q: how many atoms are there in one molecule of glucose(C6H12O6

A:

Q: 2C2H6 + 7O2 = 4CO2 + 6H2O If we have 5g of C2H6, how many moles of C2H6 do we have?

A: Given: Mass of C2H6 = 5 g Molar mass of C2H6 = 30.07 g/mol

Q: How many formula units are contained in a sample of Cu3PO4 with a mass of 210 grams?

A:

Q: How many grams of H2SO4 are present in 3.1*1027 formula units of H,SO4 ? Round your answer to 1…

A: 1mole  of H2SO4 contains 6.023×2023 formula units 1mole of H2SO4 --- 98grams

Q: CF2Cl2 CFCl3 C2F3Cl3 CF3Cl How many grams of Cl are in 32.2g of each sample of chlorofluorocarbons…

A: Molar mass of CF2Cl2 = 120.91 g/mol Molar mass of CFCl3 = 137.36 g/mol Molar mass of C2F3Cl3 =…

Q: How to determine the number of moles of the C8H10N4O2, C,H,N,O in 0.1119mg of caffeine C8H10N4O2?…

A: The moles of compound is calculated by the following formula,

Q: Given that I-127 is the only natural isotope of iodine, what is the mass of one I atom and…

A: Given :  Given that I-127 is the only natural isotope of iodine, what is the mass of one I atom…

Q: The average nicotine (C10H14N2) content of a Camel cigarette is 1.93 mg. Suppose an individual…

A:

Q: Ten moles of hydrogen sulfide, H2S, would consist of how many molecules?

A: The number of atoms or molecules of a substance are calculated by using Avogadro's number. One moles…

Q: What is the empirical formula for C10H2005 ?

A: Empirical formula of a compound = Formula of a compound written with the smallest integer subscript.…

Q: A 5.000 gram sample that contained NaCl and BaCl2*2H2O was heated. After heating the sample had a…

A:

Q: What is the mass of one mole of ethyl alcohol

A: Mole is defined as a) Interms of particles :       1 mol = 6.022 x1023 particles/entities  Where…

Q: . How many MOLECULES of water are present in 9.27 grams of this compound?

A:

Q: How many milligrams of ammonium nitrate are equal to 2.75' 10^-5 kg of ammonium nitrate ?

A: Given : Mass of ammonium nitrate = 2.75 X 10-5 Kg

Q: 118kg/m3 is equal to how many g/cm3?  Give your answer to three below the decimal place.

A:

Q: how many grams of H2O will contain 9.50x10^24 hydrogen atoms?

A: Given: H2O water molecule 9.50x1024 hydrogen atoms 2 H atoms are present in one mole of H2O. That is…

Q: molecules

A: Molar mass of P4O10 Molecule = 284gmol-1    Moles of P4O10 Molecule = ( mass / molar mass )  Moles…

Q: How many grams of LiHCO3 are present in 6.1*1024 formula units of LiHCO3? Round your answer to 1…

A: Given in the question, Compound = LiHCO3Formula unit = 6.1× 1024Avagadro no. = 6.023 × 1023No. of…

Q: 1.28 x 1023 molecules of C10H22 would have what number of carbon atoms? How many moles are there in…

A:

Q: The average nicotine (C10H14N2) content of a Camel cigarette is 1.93 mg. Suppose an individual…

A: The average nicotine (C10H14N2) content of a Camel cigarette is 1.93 mg.

Q: 5. A bottle of Ibuprofen (C,,H,,O,) contains 1.204 x 1024 molecules. How many grams of ibuprofen are…

A: The molecular weight is 206.29 g/mol means 1 mol of ibuprofen = 206.29 g of ibuprofen

Q: What is the percent (by mass) of oxygen in citric acid, C6H8O7.

A:

Q: The formula for lactose is C12H22O11, and the monohydrate is C12H22O11*H2O. What is the percent by…

A: The formula of lactose is = C12H22O11 The formula of lactose monohydrate is = C12H22O11*H2O The…

Q: the ascorbic acid found in one 500.0 mg tablet. What is the percent vitamin C by mass in the tablet?

A:

Q: what is the mass of a drop of CH3OH containing 2.60x1022 of CH3OH?

A: Given: number of molecules of CH3OH =  2.60 x 1022  To Calculate: Mass of a drop

Q: Write the correct answer with 1 place after the decimal point.   What is the molecular mass of…

A: Given, molecular mass of  S2N5O5 = ? Note:  Atomic mass of S = 32.06 g/mol Atomic mass of N = 14.01…

Q: What is the percent mass of carbon in H2C2O4?

A: Hydrocarbons are compounds made up of carbon and hydrogens. An organic acid is an organic compound…

Q: An empty propane tank weighs 7.22 kg. When it is filled it weighs 25.20 kg. How many propane…

A: To find the number of molecules of propane.

Q: Find the number of molecules in 36.0g of C2H4O ?

A: We have to calculate the number of molecules in given amount of compounds.

Q: 2. A 1.235 g sample of unknown strontium chloride hydrate was found to have 0.511 g of water…

A: Given : Mass of hydrate compound = 1.235 g And mass of water present = 0.511 g

Q: Challenging question: ask for help if you get stuck. The density of methanol (CH4O) is 792 kg/m3.…

A: Given: Volume of CH4O = 2.0 nL = 2.0 × 10-9 L                                     (Since 1 L = 109…

Q: 46How many grams of CaCl2 are in 2.5x1024 formula units of CaCl

A:

Q: What is the percentage by mass of a silver ring that has a mass of 12.0 g and contains 11.1 g of…

A: Total mass of the silver ring = 12g  Mass of pure silver in the ring = 11.1g  Formula to find the…

Q: The total number of atoms in a molecule of caffeine (C8H10N4O2) is:

A: Given :- molecular formula of caffeine = C8H10N4O2  To calculate :-  Total number of atoms in…

Q: 1.28 x 1023 molecules of C10H22 would have what number of carbon atoms? 6.

A:

Q: If the density benzene C6H6 is 0.879g/mL, how much many moles are present in 17.9 mL of benzene?

A: Given, Density of benzene = 0.879 g/mL Volume = 17.9 mL Molar mass of benzene is 78.11 g/mol Now,…

Q: Determine the percentage by mass of each element in the following compounds. (Round your answers to…

A: Mass percent of an element:

Q: How many mole of C13H18O2 contain 7.4x10'25 atoms of C

A: The given compound is C13H18O2. The question is 7.4 * 10^25 atoms of Carbon are present in how many…

Q: mothball, composed of naphthalene (C10H8C10H8), has a mass of 1.48 gg . How many naphthalene…

A: Mass= 1.48gm MOLAR mass= 128 Mole= mass÷molar mass Mole= 1.48÷128= 0.011 Molecule= mole×6×1023…

Q: Determine the number of molecules present in 0.31 g of CH

A: The number of molecules, atoms, or compounds present per mole of a substance is Avogadro's number.

Q: How many ,mew mg are there in 1 mg?

A: The units of measurement of the weight of any compound can be given in grams (g) or milligrams (mg).

Q: What is the number of molecules in 1.55 mol O2?

A: Number of moles of O2 = 1.55 mol  Number of molecules of O2 = ?

Q: moles of C2H6in 3.75 x 10^23 moles of C2H6

A: In chemistry, the amount of the substance that resides in a system is provided by the SI base unit…

Q: How many grams of glucose (C2H12O6) would you need to get 5.0X1030 carbon atoms?

A: 1molecule of glucose(C6H12O6) contains 6 carbon atoms  => 1 mole of glucose contains 6 mole of C…

Q: Glass A contains 2 liters of alcohol, and the rest is water. Glass B contains 2 liters of 40%…

A: Given: Glass A has 2 L of alcohol. Glass B has a total of 2 L solution with 40 % alcohol. And glass…

Q: Q3 How many mg of NaCl (FW = 58.44 g/mol) are contained in 2.35 mmol of the compound ?

A: Given compound  NaCl mole of  NaCl = 2.35 m mol

Q: How many MOLECULES of water are present in 9.27 grams of this compound? A 7.10 x 1023 molecules H20…

A:

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.