Dichloromethane CH2Cl2  (given density=1.33g/mL) volume: 21.0mL Find the Moles, molecules, and total atoms in CH2Cl2.

Q: This is the chemical formula for acetic acid (the chemical that gives the sharp taste to vinegar):…

A: Structure of acetic acid: CH3COOH Molecular formula of acetic acid: C2H4O2 Number of moles of H in…

Q: How many daL of bromine are in 15.7 x 1022 molecules?  (The density of bromine is 3.1 g/cm3) The…

A: Given: The density of bromine = 3.1 g/cm3 We have to find How many daL of bromine are in 15.7 x 1022…

Q: How many moles of water are in 1.00 L of water, whose density is1.00 g/mL?

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Q: The mass of 4.375 x 1016 molecules of compound with the molecular formula C3H9N is ______ g. Report…

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Q: Ising your khowledge of mole calculations and unit conversions, determine how many atoms there are…

A: Given: The volume of petrol, (V) = 1 L = 1000 mL The density of petrol, (d) = 0.85 g/mL The…

Q: How many miles deep would a mole of popcorn kernels have to be in order to cover the Condinental…

A: Volume of 90 kernels of popcorn = 1 cu inch Length of the U.S. = 3000 miles Breadth of the U.S. =…

Q: An ice freezer behind a restaurant has a freon leak, releasing 44.19 g of C, H,F,Cl into the air…

A:

Q: The molecular formula of aspirin is C9H8O4. How many aspirin molecules are present in one…

A:

Q: A student measures the mass of a sample of a metallic element, M. Then the student heats the sample…

A: Given: Mass of metal M is measured. And then the mass of compound MO forming after heating it with…

Q: Rose gold is a mixture of gold, copper, and silver atoms. It contains 58.3% gold, 33.5% copper, anc…

A: To solve this problem first we calculate the mass of rose gold then we calculate the mass of copper…

Q: mass in grams

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Q: Assume that the molar mass of A is 82.93 grams per mole and the molar mass of E is 24.61 grams per…

A: Atoms are the smallest unit of the matter, anything which occupies space and has mass is known as…

Q: . Vitamin C has the formula c6h8o6. Calculate the number of vitamin C molecule present in 0.250g of…

A: Applying formula  Mole = gram weight/molecular weight

Q: The average dollar bill is 1.8x107 nm long and weighs 0.987 g.  The distance to the sun is 1.5x108…

A: Mole : Mole is the unit by which we measure the amount of substance. One mole is equal to the number…

Q: On 12 and 13 I got a negative scientific on one and a positive on the other. Did I make a mistake…

A: General chemistry12. The number of atoms or molecules in a mole of any substance is equal to…

Q: Be sure to answer all parts. Fermentation is a complex chemical process of wine making in which…

A:

Q: In 1986 an electrical power plant in Taylorsville, Georgia, burned 8,376,726 tons of coal, a…

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Q: How many g are in 2.90×10 ²²atoms of Mg

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Q: 5. Determine the number of moles of the compound and determine the number of moles of each type of…

A: Applying concept of mole calculation.

Q: How many moles does 120.30 g lithium represent? Use correct significant figures and units.

A: The number of moles of an element present in a given amount is calculated by using the following…

Q: The density of water is 1.00 g/mL at 4 degrees celsius. How many water molecules are present in…

A: The formula for density calculation is,

Q: This is the chemical formula for acetic acid (the chemical that gives the sharp taste to vinegar):…

A: Given : Chemical formula of acetic acid = CH3COOH  And moles of carbon in acetic acid sample = 42…

Q: How many grams of O2 are needed to form 7.35moles of Fe203? 4 Fe + 302 → 2 Fe203 Round your answer…

A: Such problems are solved by using the mole concept. The mole concept relates the number of moles…

Q: The number of moles(correct significant figures) in 10.0 grams of CO2 is:

A: Moles of particular compound can be calculated by dividing its mass by its molar mass. Molar mass of…

Q: How many oxygen atoms are in 9.00 g of AI2(SO4)3? Also use 2 decimal places.

A: This question involves calculation for the number of atoms present in 9.00 g of AI2(SO4)3 . For…

Q: The formula mass of N2O is 44.2 amu. What is the mass in grams of one half mile of N2O

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Q: Orciprenaline(C11H17N03, 211.258 g/mol) is a bronchodilator used in the treatment of asthma. The BP…

A: ORCIPRENALINE belongs to the class of drugs called 'bronchodilators' that is used for treating…

Q: 1.)If 5.00g of iron (III) chloride hexahydrate us completely dehydrated, he many grams of anhydrous…

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Q: Pre-Lab Questions "Counting by weighing" is used in other applications besides chemistry. A hardware…

A: Given, Hardware sells nails in package of 500. Office supply store sells 100 paper clips.

Q: What is the mass of 1 carbon atom in grams?  What is the mass of one dozen carbon atoms in grams?…

A: The number of moles can be calculated as- n=mMm=n×M where n: number of moles of the atom m: the mass…

Q: Liquid octane  CH3CH26CH3  will react with gaseous oxygen  O2  to produce gaseous carbon dioxide…

A: Chemical reaction- It consists of reactant (starting material) and products (substances formed in…

Q: 1. The average person uses ~ 1.00 gram of sodium chloride per day. How many calendar days would it…

A: The number of constituent particles or atoms present in one mole of a substance is equal to 6.023 ×…

Q: One millimeter of water contains about 20 drops. One gram of water contains 3.34x10^22 molecules of…

A: One millilitre of water contains about 20 drops. One gram of water contains 3.34×1022 molecules of…

Q: What is the weight in grams of 3.74x 10^16 CF, molecules? Hint: must use Avogadro's number Put your…

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Q: The mole is a really helpful way to count really small things. Are there other methods we use to…

A: Answer is explained below.

Q: Calculate the number of atoms in 1.02 × 10¯º moles of helium. x 10 atoms (Enter your answer in…

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Q: Gaseous butane (CH,(CH,) CH, will react with gaseous oxygen (0,) to produce gaseous carbon dioxide…

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Q: An ice freezer behind a restaurant has a freon leak, releasing 41.59 g of C, H,F,Cl into the air…

A: Chlorofloro carbons are referred as the freons which depletes the ozone layer.

Q: a) The concentration of orciprenaline in the diluted solution in mg/L Calculate the answer by read…

A: Answer is as follows

Q: The number of molecules in 0.556g of PF6 is

A: We have given that Mass of PF6 = 0.556g Molar mass of PF6 = 144.9642 g/mole No. of mole of PF6 =…

Q: A drop of water has a volume of 50 uL. How many water molecules does it contain? The density of…

A: Given that,Volume of water = 50 micro L = 0.05mLDensity of water = 1.0 g/mLNow, you calculate the…

Q: 1. What does the mole measure? a. mass of a substance b. volume of a substance c. density of a…

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Q: In doing the experiment, a student calculated the mass of chlorine in the compound to be 1.133 g.…

A: The number of moles (N) of a species is mathematically expressed as: N=MMM where M and MM represent…

Q: Question 3

A: Copper is an element having symbol Cu and aluminum is an element having symbol Al.

Q: What number of atoms of carbon is in 1.00-carat diamond

A: Number of moles = mass/molar mass  Molar mass of carbon = 12.0107 g/mol  1 mol carbon contains 6.022…

Q: 3. What is the mass of one atom of Na (include units) -339 4. What is the mass of one atom of carbon…

A: Mass of an atom = (no. of protons × mass of  one proton) + (number of neutrons × mass of one…

Q: Which of the following can be used mole as a unit to count paticles/atoms? A. Pharmaceutical…

A: No. Of moles refers to the amount of no. Of atoms or particles with respect to its standard units.…

Q: A student needs 19.66 moles of sulfur trioxide (SO3). How many grams should they measure out?

A: Given, the number of moles of SO3 =19.66 moleswe are asked to calculate the mass of SO3…

Q: An ice freezer behind a restaurant has a freon leak, releasing 40.82 g of C,H,F,Cl into the air…

A: Given: Total mass of C2H2F3Cl released per week = 40.82 g. And total months passed = 6 months. Since…

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".