What is the mass of 74.5 Liters of gascous Lead I oxide? What is the mass of 50.0 grams of O;?

Q: I need to know which is the mass of crucible and kid with magnesium please

A: A question based on analytical chemistry, which is to be accomplished.

Q: 11. Pb(NO), # of molecules: # of elements: Name of element: # of atoms Total # of atoms: The #3 is a…

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Q: Number Log log Crooo) -3 log C1o).-a 1000 0.01 Ix 104 -4 log (o-02), -1-69 .02 300 log (300 ), 2.47…

A: pH is the measure of acidity whereas pOH is the measure of basicity. For a solution, if pH < 7…

Q: A dessert contains 141.45 g of vanilla ice cream, 83 g of fudge sauce, and 39.1 g of nuts. What is…

A: Given,dessert has,141.45 g vanilla ice cream83 g of fudge39.1 g nutsSo,total mass of dessert =…

Q: Data Collection: Masss(g) Masss(g) Mass(g) Mass(g) Mass(g) Beaker, H2O, Vinegar, Tablet. After gas…

A: Alka seltzer contains NAHCO3. It reacts with Vinegar that contains acetic Acid. In reaction CO2 gas…

Q: what is the percent by weight of sugar in soda if the average mass of sugar in soda is 35 g and the…

A: The mass of solute present in 100 g of solution known as the (w/w) percent concentration of the…

Q: Nanotechnology, the field of building ultrasmall structures one atom at a time, has progressed in…

A: Hello. Since the question has multiple subparts, the first three subparts are solved. In case the…

Q: A barrel of oil as measured on the oil market is equal to 1.333U.S. barrels. A U.S. barrel is equal…

A: Given information,     1 barrel  =  1.333 U.S. barrels     1 U.S. barrel  =  31.5 gal     $94.0 per…

Q: DETERMINE THE MASS OF A STEEL BEVERAGE CAN FROM 1970'S AND THE MASS OF MODERN A,UMINUM CAN. HOW MUCH…

A: Around 1970's mass of steel beverage cans used was around 42 gm  now a days we are using aluminium…

Q: Aqueous sulfuric acid (H,SO,) will react with solid sodium hydroxide (NaOH) to produce aqueous…

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Q: Q2: F The Mass the earth is (5-95 x10) Ry- colenlak the Average dansly ?(hg/mt}

A: Mass of earth = 5.95 × 1024 kg

Q: A barrel of oil as measured on the oil market is equal to 1.333U.S. barrels. A U.S. barrel is equal…

A: Given: A U.S barrel is equal to 31.5 gal.

Q: Calibration of the Picnometer, mass of empty picnometer is 30.708g, mass of picnometer + water is…

A: Mass  of empty picnometer is   30.708 gm Mass of picnometer + water is 61.018 gm Mass of water =?

Q: A bottle of sodium hydroxide (NaOH) was found to contain 1.23 lb of this chemical. Express the…

A: The conversion factor can be described as the numerical factor that is used to convert one set of…

Q: Mass of picnometer + liquid, mass of liquid is 30.708g, mass of picnometer + liquid is 61.005g, what…

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Q: Counting by weighing" is used in other applications besides chemistry. A hardware store, for…

A: We are Given that :-  Hardware sells nails in package of 500. Office supply store sells 100 paper…

Q: A Cu-containing compound is synthesized from 55.68 grams of copper. If 74.92 grams of the compound…

A: 74.92 grams of the compound are produced from 55.68 grams of copper. Then percent of copper in the…

Q: ule of oxygen (0,) has a speed oi in klometers per hour (km/h).

A: Given: Speed of oxygen at a certain temperature is 473 m/s. To find: Speed of molecule in km/h.

Q: A barrel of oil as measured on the oil market is equal to 1.333U.S. barrels. A U.S. barrel is equal…

A: Given: A U.S barrel is equal to 31.5 gal.

Q: 7. K,CO, # of molecules: # of elements: Name of element: # of atoms Total # of atoms: The #3 is a…

A: Elements: It is the basic or simplest form of a substance and cannot be broken down further into…

Q: How is the mass of oxygen measured? Group of answer choices By taking the sum of the potassium…

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Q: How many.grams F in 584.8 g Br2F6? Put the answer in the box in regular (non-scientific) notation.…

A: Number of moles is defined as given mass divided by molecular mass.

Q: The mass of a test tube and hydrate was 35.2755 grams. The mass of the empty test tube was 23.7726…

A: Mass of water is equal to the mass of the hydrated salt test tube and the mass of anhydrous salt…

Q: Ammonium perchlorate (NH,Cio,) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts…

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Q: Brass is an alloy of copper and zinc. Varying the mass per-centages of the two metals produces…

A: Given:  The zinc by mass percentage=34%-37% Mass of yellow zinc=185g Mass of copper=46.5g

Q: 15. Cr(NH,),(NO,, # of molecules: # of elements: Name of element: # of atoms Total # of atoms: The…

A: Elements are the type of substances which cannot be broken down into smaller substances. Group of…

Q: Ammonium perchlorate (NH,Cio,) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts…

A:

Q: What is the mass (in kg) of a 1 cubic foot block of Copper? (units are intentionally in both systems

A: Density of substance is calculated by dividing the mass with volume.

Q: Ammonium perchlorate NH4ClO4 is the solid rocket fuel used by the U.S. Space Shuttle. It reacts…

A: The decomposition reaction of NH4ClO4 can be written as  => NH4ClO4 (s) -----------> N2 (g) +…

Q: which has the greater volume---10g of hexane or 10g of toluene? what is the volume of each

A: Given that:  Mass of hexane = 10g  Mass of toluene = 10g  We know , density of hexane = 0.66g/mL…

Q: Calculate the mass of carbon (in grams) in 366 g of acetic acid.

A: Given :-  Mass of acetic acid = 366 g  To calculate :-  Mass of carbon (in grams)

Q: Part A.Calculate the percent carbon in fructose, C6H12O6 Express your answer are using to decimal…

A: Answer :-  A) The percent Carbon in Fructose, C6H12O6 =  40.00%  B) The percent Hydrogen in…

Q: Which one of the following would have approximately the same mass as 40.0 cm³ of lead (d = 11.3…

A: A question about the relationship between mass and density, which is to be answered.

Q: Discuss one of the Philosophers and his contributions to science history;Give at least 10 sentece

A: We all have learn about one of the greatest and very attractive philosopher and his name was…

Q: 5. While cleaning your attic, you find your old rock collection. If 74.2% of the rocks have a rock…

A:

Q: What is the molar mass of alanine, C3H7NO2? • Write your answer using ONE decimal place, even if…

A: Given, Molar mass of Alanine, C3H7NO2 = ? Note:  Atomic mass of C = 12.01 g/mol Atomic mass of H =…

Q: Aluminum is a lightweight metal (density = 2.70 g/cm3)used in aircraft construction, high-voltage…

A: Conversion : 1 kg/m3 = 10-3 g/cm3  density = 2.70 g/cm3              = 2.70 x 103 kg/m3

Q: mass of matter (in grams)

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Q: How many mg of iron (MM = 55.845 g/mol) are in 15.00 mL of a solution that contains 2.130 mg…

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Q: If one Gold Galleon coin from Harry Potter weighs 12.75g and you have a bag of Gold Galleons that…

A: Weight of 1 coin = 12.75g Total weight = 224g

Q: Ammonium perchlorate (NH,Clo,) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts…

A:

Q: I have a question. for the first question, wouldn't I divide 2.202 by 6.626 and divide by 100??…

A: Mass percent = (mass of solute / mass of solution) x 100 (1) mass percent of silicon dioxide =( mass…

Q: if a substance has a mass of 17.8 g per 709 mL then its density is ____g/mL give answer to 3 sig…

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Q: How many mole in 290.9 gram iron? please put answer in box with 3 places past the decimal in non…

A: given mass of iron = 290.9 g

Q: Liposuction is a cosmetic procedure used to remove excess fat from the abdomen, thigh, or buttocks…

A: Density of a substance can be defined as the mass of that substance present per unit volume. The…

Q: Use the web to determine the mass of a steel beverage can from the 1970s and the mass of a modern…

A: Mass is a property, which represents the amount of substance present in a sample and it is generally…

Q: If a woman has a mass of 115 lb, what is her mass in grams? (Use the relationships between units…

A: 1 pound (lb) equals to 453.592 grams

Q: You have two objects made mass of 246.5 g. You measur 3.17 cm. Object 2 is a sphere sphere using…

A: According to the question, we have two objects made of the same substances. Object 1 is a cube and…

Q: n extra-strength aspirin tablet contains 0.250 grams of the active ingredient, acetylsalicylic acid.…

A: Given : 1 grain contains 50 mg of active ingredient  And 1 tablet has 0.250 g of active ingredient…

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".