What is the mass of phosphorus in a 45 kg person? mass of P = %3D TOOLS x10

Q: In terms of mass, calculate the percentage of the active ingredient for each of the following…

A: Mass percentage is defined as the total mass of the substance( here active ingredients) divided by…

Q: Zn+ 2Au(CN)2 → Zn(CN)4+ 2Au What mass of gold would you expect to recover from 2.50x105 gr

A: Zn+ 2Au(CN)2 → Zn(CN)4+ 2Au2 mol  Au(CN)2 produces  2 mol Autherefore,2 g ×Au(CN)2 produces = 2 g…

Q: Calculate the number of vanadium atoms in a 90.0 g sample of vanadium(V) oxide (V,0,). Be sure your…

A: 1 mole = 6.022×1023 [ Avogadro's number ] The mass of one mole of atoms is called atomic mass  For…

Q: What is the difference in mass between a nickel that weighs 4.8 g and a nickel that weighs 4.8673 g?

A: Given,  Mass of nickel = 4.8…

Q: What is the mass of 1 atom of krypton? Group of answer choices 1x10-22 g 5x1025 g 2x10-26 g…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: We have 40.5 cm of a material. How many g is it? The material has density of 9.50 g/cm O 68.0 g O…

A: • The values provided in the question are:-  i) Density of a material, d = 9.50 g/cm3  ii) Volume…

Q: Take the mass measurement with nitrogen (28 dalton or atomic mass units per molecule) and the mass…

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Q: What is 1.0 mg/cm2 in kg/m2

A: Please find your solution below : Unit conversion is a multi-step process that involves the…

Q: (3 points each) (1) _KI + Pb(NO3)2 _Pbl2 + KNO3 (2) _SO, + O2 SO3 (3) _P + _02 P.O10 JAN 14 étv

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Q: 3+(aq) +3 e Al(s) E° = -1.676 V %3D 2+(aq) + 2 e Zn(s) E° = -O.763 V %3D

A: Ecell for the given reaction is

Q: What is the mass of 1 atom of krypton? Group of answer choices A. 3x10-22 g B. 2x10-26 g C.…

A: Any component's amount usually depicted through a particular unit addressed as "Mole". The moles and…

Q: A chemist adds 35.0 mL of a 7.43 x 10μM zinc oxalate (ZnC₂04) solution to a reaction flask.…

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Q: 1 mg is the same as O 1/10 cg O 100 cg 1/1000 kg 10 g

A: The symbol, mg is used to express the mass of substance.

Q: How many atoms are contained in 4.1 g of carbon? How can you round this answer to 2 significant…

A: 1 mole of any substance contains 6.023×1023 atoms.1 moles of carbon atoms weigh 12 g.

Q: What is the mass, in kilograms, of 7.76 x 10-4 molecules of carbon tetrachloride? Round your answer…

A: The given data contains, number of molecules of carbon tetrachloride = 7.76×1024

Q: A student obtained the data below after performing a similar experiment described in this…

A: Mass of hydrated salt = mass of crucible, cover and hydrate - mass of crucible and cover. So, Mass…

Q: what weight in kilogram of sodium can you get from 3.57x10^24 ions of na2so4

A: In Na2SO4 , for every ion it there are two ions of the Na, implies for every mole of Na2SO4 there…

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: 2. The picture in the introduction shows that the mass of a crucible and lid was determined to be…

A: Given,  The mass of Crucible and lid = 22.1504 g.  The mass of crucible and lid  and hydrate =…

Q: 1) Which of the following is chemical property? A. Objects made of silver become tarnished. 3+ B.…

A: Chemical property of a substance is the property that observed after or during the chemical…

Q: 9.31 g is the same mass as O 93.1 cg O 9310 mg O 931 kg 0.0931 dg O 931 mg

A: 1 cg = 10-2 g93.1 cg = 93.1 ×10-2 g93.1 cg = 0.931 g   1 mg = 10-3 g9310 mg = 9310× 10-3 g9310 mg =…

Q: It has been estimated that there is 4.00 × 10-4 mg of gold per liter of seawater. At price of…

A: This question can be solved by using basic conversion factors as used in the solution given below. 1…

Q: The relationship between ppm with M and N: ppm = M x M.mass x 1000 ppm = N x Eq.mass x 1000 %3D

A: ppm stands for "parts per million" and it also can be expressed as milligrams per liter (mg/L). This…

Q: R2 R2 он Nanocrystalline MgO CH,CN, 100 °C R1 R1 2

A: Nanocrystalline substances are chemical substances which are used in small scale and which exhibit…

Q: It has been estimated that there is 4.00 × 10-4 mg of gold per liter of seawater. At price of…

A: 1 km3 = 1012 L Therefore, 7.53 km3 = 7.53  x 1012 L

Q: It is estimated that an adult person contains 6.3 × 103 ppm phosphorus. What mass of phosphorus in…

A: By definition, ppm refers to parts per million.  Therefore, ppm of phosphorus in adult person would…

Q: A 4-M sample of hydrochloric acid, HCl, has a density of 1.42 g/ml. What is the mass % (wt/wt) of…

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Q: Calculate the density (in g/mL) of an unknown substance if 0.897 pounds occupy 13.5 inch. O 1.84…

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Q: Gallium has a density of 5.9 g/mL. How much mass do 54.2 mL of Gallium have? 319.78 g 319.8 g 320 g…

A: •Given :-density of gallium=5.9 gm/ml                Volume=54.2 ml   • As we know density formula…

Q: What is the symbol for the element that is in group VIIA(17) and period 3?   What is the symbol…

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Q: All of the platinum ever mined = 25 ft3 What is the price of all of the paltinum ever mined?…

A: The conversion of volume of platinum from 25 ft3 into cm3 can be done as,

Q: Student K was asked to determine whether his bar was made of pure palladium.  II) Student S was…

A:

Q: Iron is found in Earth's crust as several iron compounds Calculate the mass (in kg) of each compound…

A: Given :- mass of Fe in FeCO3 = 6.3 × 103 kg  To calculate :- mass of compound (in kg)    Molar mass…

Q: 2. You can identify a metal by carefully determining its density. A 2.166 g piece of an unknown…

A: Density of a substance is defined as its mass per unit volume.  Mathematically,  Density(d) =…

Q: 3) Na is present in seawater as 1.25 g Na/kg seawater. What volume of seawater as in liters(L),…

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Q: hat is the mass of 4.50 x 1022 Cu atoms? Multiple Choice 747 x 102 g 4.75 g

A: Molar mass Cu is 63.546

Q: What is the mass, in grams, of 5.23 moles of oxygen gas?

A: Number of moles of the substance is the ratio of mass to molar mass.

Q: We have 12.5 cm of a material. How many g is it? The material has density of 3.50 g/cm O 68.0 g O…

A: Given: Density of material = 3.50 g/cm3. And the volume of material = 12.5 cm3.

Q: 8.930 12.2mL Metal C 3 sig fig 3. Calculate the mass in grams of a 525 cm³ block of lead. 1. 525…

A: Given, Volume of lead block = 525cm3. Density of lead = 11.342g/cm3.

Q: This is the chemical formula for talc (the main ingredient in talcum powder): Mg, (Si₂O), (OH)₂ An…

A: Please find your solution below : A mole is defined as the amount of substance that contains…

Q: The mass of an atom of silver is 1.79 × 10-22 g. How many atoms are in a  0.65  lb sample of silver?…

A: Mass of an Silver atom = 1.79 * 10-22 g/atom Total sample of silver = 0.65 lb

Q: A study of the Earth by The National Aeronautics and Space Administration (NASA) determined there…

A: Given  7.00 x 1011 tons of carbon    Conversion factor:  1 ton = 907.19 kg  1 kg = 1000 g = 103 g…

Q: A chemist adds 455.0 mL of a 5.23 mol L silver perchlorate (AgC10,) solution to a reaction flask.…

A: Volume of solution = 455.0mL. Molarity of solution = 5.23mol/L.

Q: What is the volume of a piece of diamond (ρ = 3.5 g/cm3) that has a mass of 0.65 kg?

A: Given : density of diamond = ρ = 3.5 g/cm3  And mass of diamond = 0.65 Kg

Q: what is the mass of 2i10xlo (19 unat is the mass of 2.10 x10 of copper, cu? atoms. Oilol 0.2229…

A: Given data contains, The number of copper atoms is 2.10×1021 atoms.

Q: A solution is made using 250.0 mL of ethanol (density 0.7892 g/mL) and 369.1 mL of water (density…

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Q: How many atoms are there in 11.1 g of sulfur? You will need to divide your answer by 1.0x10^23

A: The number of atoms in a compound is calculated as the product of number of moles and the Avogadro's…

Q: a. What is the mass in grams of 5.01 x 1023 a. What is the mass in grams of 5.01 × 10° atoms of…

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Q: What is the mass of 1 atom of krypton? a-3x10-22 g b-9x10-22 g c-2x10-26 g d-5x1025 g e-1x10-22 g

A:

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".