How many MOLECULES of carbon dioxide are present in 6.99 grams of this compound ?  molecules. and  How many GRAMS of carbon dioxide are present in 4.45×1022 molecules of this compound ?  grams.

Q: 48. How many molecules of caffeine, C4HSN2O, are there in 18 g of caffeine? a. 1.12 ×10E23 b. 1.05…

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Q: write mixture if it is corresponds with mixture and compound if it is corresponds with compound.…

A: A question based on solutions that is to be accomplished.

Q: How many atoms are in 153 g of calcium

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Q: How many molecules are there in 3.2g methane ( CH4)

A: The number of moles in 3.2g methane is determined as,

Q: what is the weight in grams of 4.30 x 10^14 CF4 molecules?

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

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Q: How many GRAMS of sulfur hexafluoride are present in 9.83×1022 molecules of this compound ?

A: Given : Compound is sulfur hexafluoride i.e SF6. And number of molecules of SF6 = 9.83 X 1022…

Q: How many atoms of chlorine are in 6.85 g of chlorine

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Q: Which of the following substances always has the same proportion (i.e. a fixed ratio) of its…

A: Proportion can be fixed or be varied in various substances.

Q: Use the References to The formula for sulfur dioxide is SO2. a. How many molecules are in 2.70 grams…

A: a. Here, we have to find the number of sulfur dioxide molecules present in 2.70 g of SO2. b. Here,…

Q: What is the mass of the iron present in 1.04x10^23 units of Fe2O3? (Fe=55.845 O= 16.00)

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Q: What is the weight of the grams of Na equivalent to the same number of atoms as those in 15 g of K?

A: Given: Mass of potassium= 15 g  The molar mass of potassium = 39.098 g/mol Moles of potassium=Mass ÷…

Q: If a sample contained 9.65 x 1023 atoms of iodine, how many grams would this be? Round to one…

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Q: what is the mass of 1.08x10^22 molecules of SF6? pls, show how you got it.

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

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Q: A student is running an experiment in which 48.1 grams of MgBr2 is needed, but the only jar of…

A: Given Mass of MgBr2 needed = 48.1 g

Q: 1. How many MOLECULES of nitrogen trifluoride are present in 5.36 grams of this compound? molecules.…

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Q: The molecular formula of rimantadine is C12H21N.    How many carbon atoms are in 80.44 grams of…

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

Q: The following statements are ways in which mixtures differ fundamentally from compounds EXCEPT:…

A: Compounds are explained as substances obtained through chemically combining elements. Mixtures are…

Q: What is the mass in grams of 1.37 × 1016 chromium atoms? Put your answer in box in scientific…

A: Given: Number of chromium atoms, Cr = 1.37 × 1016 atoms.

Q: If liquid bromine has density = 3.12 g/mL, how many Br2 molecules are present in a 1.0-mL sample of…

A: Given: Density of liquid bromine (d) = 3.12 g/ml The volume of liquid bromine =1.0 ml To find:…

Q: How many water molecules are in 6.00 raindrops? Assume that there are 20.0 raindrops in 1.00 mL of…

A: Density is defined as: It is the ratio of mass per unit volume 1 mole of any chemical species…

Q: 1. How many MOLECULES of sulfur dioxide are present in 6.52 grams of this compound? molecules. 2.…

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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: Be sure to answer all parts. Enter your answers in scientific notation. Calculate the number of…

A: The compound given is Ca3(PO4)2. Mass of Ca3(PO4)2 given = 9.75 g Molar mass of Ca3(PO4)2 = Atomic…

Q: A: Read each statement below carefully. Place a T on the line if you think a statement is TRUE.…

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

Q: A sample of ammonia (NH3) has the mass of 56.6 g.  How many molecules are in this sample? Group of…

A: The formula for ammonia is NH3. Now we can calculate the mass of 1 mole of NH3. N = 14.01 H = 1.008…

Q: 1. How many MOLECULES of sulfur dichloride are present in 1.29 grams of this compound ? molecules.…

A: By definition, moles (n) are related to mass (w) and number of particles (N) as follows: n = wM =…

Q: The formula for sulfur hexafluoride is . a. How many molecules are in 2.24 grams of sulfur…

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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: How many atoms are there in 77.9 g of selenium? You will need to divide your answer by 1.0X10^23

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Q: 1. How many MOLECULES of xenon trioxide, XeO3, are present in 2.72 grams of this compound? molecules…

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Q: How many atoms of fluorine are in 1.1E0 moles of CF4? Respond with the correct number of significant…

A: Given, The number of atoms of fluorine are in 1.1E0 moles of CF4 is :

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: A mole in chemistry is: a. a counting unit of 6.02 x 10²³ grams. b. a counting unit of 6.02 x 10²³…

A: We know that ,                    1 Mole = 6.023 x 10^23 atoms…

Q: How many total atoms are there in 84.9 g of methane ( CH4 )?

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Q: Which phrase describes a compound that .consists of two elements? (1) a mixture in which the…

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Q: What mass of sodium hydroxide has the same number of oxygen atoms as 100.0 g of copper(II)…

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Q: Which of the following is true about compounds?a. Compounds are pure substances that are composed of…

A: The statement which is true regarding to compounds has to be given.

Q: How many molecules are in 6.26 grams of sulfur dioxide? ______ molecules What is the mass in grams…

A:

Q: which compound contains about 40% carbon by mass? A pure sample of an organic molecule has the…

A: Considered that the compound contains only 1 carbon atom then the molar mass of the compound must be…

Q: A large number of atoms of the same kind is

A: Matter is classified into following types  1 Pure  substances        2. Mixture    1. In Pure…

Q: . What is the number of moles of nitrogen if the mass of morphine is ninety-two point four grams? 2.…

A: 1. What is the number of moles of nitrogen if the mass of morphine is ninety-two point four grams?…

Q: How many molecules is 9.88 x 10^13 grams of ZnCI2, zinc chloride

A: Avogadro number: It can be defined as by saying that the number of units in one mole of any…

Q: How much money, in dollars, does one mole of nickels represent?   If this amount of money were…

A: A Nickel is a currency coin mainly used in United States of America. The value of one nickel coin is…

Q: Which statement is FALSE? O A pure substance can be varied by changing the proportion of pure…

A: A pure substance is made purely by a single substance while a mixture is made up of two or more pure…

Q: How many molecules are in 7.10 grams of xenon trioxide?   What is the mass in grams of 1.07x10^22…

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Q: How many grams of Mg2+ are present in 3.80 grams of magnesium oxide?

A: The chemical formula of magnesium oxide is MgO.

Q: What mass of oxygen is present in 10.0 grams of potassium nitrate (KNO3)?

A: Mass of KNO3 = 10 g Molar mass of KNO3 = 101.1 g/mol