A piece of alminum foil contains 3.6 x 1021 aluminum atoms.  1) What is the mass of the aluminum foil in grams? 2) The density of aluminum is 2.7 g/cm3. What is the volume of the foil in cm3? 3) Rolls of aluminum foil are 310 mm wide and 0.016 mm thick (height). What length of foil in centimeters contains 3.6 x 1021 aluminum atoms?

Q: A sample of C,H, has 7.20 x 1024 H atoms. How many carbon atoms does the sample contain? number of…

A: Given : The compound is C3H8. And number of H atoms in compound = 7.20 X 1024 atoms. The number of…

Q: What is the mass of  1.42x10^24 atoms of oxygen?  grams What is the mass of 5.01x10^23 molecules…

A: In the question, following information given - Atoms of oxygen (O) = 1.42×1024 Molecules of oxygen…

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: Tin reacts with oxygen to form tin oxide. In a particular laboratory experiment in which oxygen…

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A: Here,hydrochloric acid react with sodium hydroxide to give water and sodium chloride.Mass of HCl =…

Q: How many molecules are in one drop of water if 1.00 g of water contains 3.34 × 10 ²² molecules?…

A: 1 gm is equal to 1 mL. Given 1mL=20 drops.

Q: - Potassium metal has a density of 0.89 g/cm³ and can be (carefully!) cut with a knife. Imagine you…

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Q: Diamond is a form of elemental carbon. Diamonds are weighed by carats, where 1 carat = 200 mg.…

A: Given data: Mass of 1 carat diamond = 200 mg Radius of 2.5 carat diamond = 3.24 mm

Q: How many oxygen atoms are in 2.50 g of NaNO3? The molar mass of NaNO3 is 85.02 g/mol. All answers…

A: Given: Mass of NaNO3=2.50g Molar mass of NaNO3=85.02 g/mol To find: The number of oxygen atom…

Q: Ascorbic acid ( vitamin C)  molar mass 176g/mol   A healthy adult's daily requirement is 70-90 mg a…

A: The daily requirement of vitamin C for a healthy adult's  is = 70-90 mg The molar mass of vitamin C…

Q: 5.00 g of copper is reacted with 5.00 g of sulfur in a crucible and a compound composed of copper…

A: Mass percentage of substance is one of the ways to express composition of compounds. Mass percentage…

Q: Please don't provide handwritten solution .... Determine the volume of aluminum metal (d=2.702…

A: The objective of this question is to find the volume of aluminum that has the same mass as a given…

Q: aper + watch glass 45.79 46.28-9 whem ed lihw mwo 460d/ g filter paper + copper 1st time filter…

A: Given that,  Mass of hydrated sample, m1 = 1.02 g Mass of dehydrated sample, m2 = 0.91 g Mass of…

Q: Use the law of conservation of mass to answer the questions. Consider a hypothetical reaction in…

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Q: A 5.185-g sample of calcium is burned in air to produce a mixture of two ionic compounds, calcium…

A: Given: Mass of calcium burned = 5.185 g. Mass of calcium hydroxide formed = 4.601 g.

Q: Which accurately show the law of conservation of matter (mass)? A) when 2 oxygen molecules…

A: There is a mistake in the question. The mass of clay should be 12 gm before cutting it into two. I'm…

Q: In the SI system of units, the mole is one of seven base units. It is frequently used in chemical…

A: yes , mole should be considered as the SI unit. The mole is the basic unit of amount of substance in…

Q: Aluminum bronze contains 92.0% copper and 8.0% aluminum. What maximum mass of aluminum bronze can be…

A: Given: Aluminum bronze contains 92.0% copper and 8.0% aluminum.  Mass of Copper =73.5 g Mass of…

Q: 100.0 g of lead(II) nitrate is reacted with 50.0 g of potassium iodide (in plenty of water). How…

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Q: Tia has a sample of pure gold (Au). She weighed the sample and the result was 96.896.8 grams. Tia…

A: Formula used: Moles = Mass/ Molar Mass Number of atoms = Moles x Avagadro Number

Q: A sample of mercury(I) nitride weighs 3.33 dg.  How many nitrogen atoms are in this sample?The…

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Q: The nickel is comprised of two metals, nickel and copper. Surprisingly, the coin is only 25% nickel.…

A: The coin is comprised of nickel and copper. The mass percentage of nickel in the coin is = 25% The…

Q: 7) How many kilograms is a 27 oz. bag of M&M's? 8) How many kilometers can a car travel on 19…

A: Answer 7) 1 oz = 0.02835 kg 27 oz  =27*0.02835 kg  = 0.76545 kg so answer is 0.77 kg   Answer 8) 1…

Q: How much nickel is contained in a nickel coin that is 8.33% (by weight) of nickel? Recall that a…

A: Shape of coin is cylindrical. Density of a substance is defined as the mass of substance per unit…

Q: 4. The volume of a piece of metal is 40.0 ml. Its density is 4.00 g/ml. What is its mass? a) 160 g…

A: Given density of metal = 4 g/ml  Volume = 40 ml

Q: 9) A cube containing two sodium atoms has a mass of 7.64 x 1023 g and a density of 0.963g/cm³.…

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Q: OCRIVIE It is often possible to change a hydrate into an anhydrous compound by heating it to drive…

A: Formula of the hydrate can determined by calculating molar ratio of H2O & anhydrous compound as…

Q: A goldsmith wants to change the composition of 10 g 18K red gold (75% gold and 25% copper) into 60%…

A: 10 g 18 K red gold contains 75% gold + 25% copper

Q: For the following reaction, 20.9 grams of iron are allowed to react with 4.99 grams of oxygen gas .…

A: Given: Mass of Fe taken = 20.9 g. Mass of oxygen i.e. O2 taken = 4.99 g. And the reaction taking…

Q: 1) SAMPLE MASSES: X, Mass of sample (g) = Y, Mass of benzoic acid (g) = Z. Mass of pellet (g) = Ms.…

A: Given that,Mass of sample (X) = 0.7 gMass of benzoic acid (Y) = 0.3 gMass of pellet (Z) = 0.9 g

Q: example of a homogeneous mixture is:     2.65 g Citric acid (H3C6H5O4)     0.023 M KSCN (aq)…

A: An mixture which is made up of two or more different substances through physical combination.

Q: what is the percent by mass of sugar in a mixture that contains 157 g of salt, 1.215 kg of flour and…

A: Given, mass of salt = 157 g Mass of flour= 1.215 Kg 1 Kg = 1000 g 1.215 Kg = 1.215 x 103 g Mass of…

Q: In a catalog you can buy sulfuric acid with 99.999% purity at a cost of 2,263.00 pesos for a 100 mL…

A: The question given, volume of sulfuric acid (V)= 100 ml, Density of this acid (d) = 1.84 g/ml And…

Q: In a laboratory experiment, 5.0 g of aluminum metal is exposed to 23.2 g of chlorine gas which…

A: The limiting reagent in a chemical reaction is a reactant that is totally consumed when the chemical…

Q: Example 60 mice, each weighing 2 kg, were used in a lethal dose (LD50) experiment. The number of…

A: Answer..

Q: The formula for carbon monoxide is CO. a. How many molecules are in 3.35 grams of carbon monoxide?…

A: Given:The formula of carbon monoxide is COMass of CO = 3.35 gWe have to determine:(a) The number of…

Q: A 5.041-g sample of calcium is burned in air to produce a mixture of two ionic compounds, calcium…

A: Given:Calculate the mass of CaO and Ca3N2.

Q: Calculate the number of grams of sodium in 2.20 g of each sodium-containing food additive.

A:

Q: The following equation represents the reaction between aluminum (Al) and bromine (Br2) to produce…

A: Aluminium reacts with bromine to form aluminium bromide. The equation for the balanced chemical…

Q: Question 11: You are a gemstone expert studying samples of various materials. Gemstone Hambergite…

A: From the given gemstones, the most massive gemstone is = Smoky Quartz (density = 2.65 g/mL) The…

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: 7. (optional) A student found the mass of a 250-mL beaker to be 110.546 g. After touching the beaker…

A: Given : mass of beaker before touching=110.546 g  After touching = 110.547 g  Tip : one mole = 6.022…

Q: A sphere of pure iron metalcontains 9.57 x 1024Fe atoms. What is the radius of the sphere in…

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Q: Another hydrated compound containing Sodium, Boron and Oxygen was investigated.  250.00 g of the…

A: When NawBxOy×Z H2O is heated, the water molecules attached are removed and then decomposed to give-…

Q: 1. A student measured a 6.790 g sample of a hydrated salt. After heating, the mass of anhydrous salt…

A: a. Given that weight of hydrated salt is 6.790 g and mass of anhydrous salt is found to be 4.501 g.…

Q: How many carbon atoms are in 57.9 g glucose (C6H12O6)?  (Provide your answer with the correct…

A: mass of glucose (C6H12O6) = 57.9 gNumber of carbon atoms = ?Note: molar mass of glucose (C6H12O6) =…

Q: mass in grams of  1.74 x 10^24 atoms of beryllium

A:

Q: If Mass of 10 bolts = 64.567 g Mass of 10 nuts = 20.321 g1. What is the mass of 225 bolts?2. What is…

A: Given,Mass of 10 bolts = 64.567 gMass of 10 nuts = 20.321 g