White phosphorus consists of a molecule made up of four phosphorus atoms. It burns in pure oxygen to produce tetraphosphorus decaoxide. A 1.00 g piece of phosphorus is burned in a flask filled with 2.60 x 1023 molecules of oxygen gas. What mass of tetraphosphorus decaoxide is produced?

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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: eral contains 5.032 % of a precious metal, by mass. The precious metal as a density of 3.681 g/cm°.…

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Q: Q6. What is the radius (in cm) of a cylindrical silicon block (density = 2.03 g/cm3) with the height…

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A: Given: Radius of each lead atom = 175 pm = 175 X 10-12 m                          (Since 1 m = 1012…

Q: the total mass of these atoms?

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Q: What is the mass in grams of 6.90 x 10^14 lead (Pb) atoms? Enter your answer in scientific notation.

A: Given: molecules of lead (Pb) = 6.90×1014 molecules molar mass of Pb = 207.2 g/mol

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Q: Select the set-up for the mass % of fluorine, F, in PF3. O (27/42) x 100 O (9/42) x 100 O (19/50) x…

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Q: The density of gold metal is 19.3 g/cm3, while that for silver is 10.5 g/cm3. Suppose you had the…

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Q: The mass of a single strontium atom is 1.46x10-22 grams. How many strontium atoms would there be in…

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Q: Give the names of the elements represented by thechemical symbols Li, F, P, Cu, As, Zn, Cl, Pt, Mg,…

A: To find: The name of the given elements represented by the chemical symbol

Q: 99 235U + in → 2;Zr+ 135Te + 2X + ön ŽZr +

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Q: What is the mass in grams 1.46 x 10^24 of atoms of krypton? a. _____grams b.  How many krypton…

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Q: What is the difference between a chemical process and a physical process in chemistry

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Q: 9.87 g + 0.520 g g 9.607 g – 1.00 g %3D g 7.77 g - 1.4 g %3D g

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Q: A pure titanium bicycle frame contains 1.61 x 10^25 titanium atoms. What is its mass in kilograms?

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Q: You wish to prepare 210 grams of 16.3 % Mg(NO3)2 You will need grams of magnesium nitrate and mL of…

A: Given that we have to prepare a 210 grams of 16.3 % MgNO32 solution. Recall the expression of mass…

Q: The mass of Cu (63.55 g/mol) used to create Cu2S was 16.95 grams. what theoretical mass of Cu2S…

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Q: Brass is an alloy that is approximately 67% Cu and 33% Zn, by mass. How many grams of Cu and Zn are…

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Q: You weigh a dry flask, and place a chunk of solid into it, then weigh it again. You then fill the…

A: The volume of the flask not occupied by the solid is needed to be find out.

Q: What is the mass of 1.86x10^24 molecules of nitrogen

A: first find the no. of moles of N2  then find mass by multiply by its molar mass

Q: What is the mass of 4.00 cm^3 of sodium, with a density of 0.97 g/cm^3?

A: MATHEMATICAL TREATMENT OF MEASUREMENT RESULTS Learning Objectives By the end of this section, you…

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Q: What is the mass, in grams, of exactly 230 sodium atoms? Would it be the same answer only in grams?…

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Q: What is the mass in grams of 1.37 x 10^24 atoms of nickel? ______ grams How many nickel atoms are…

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Q: What is the mass in grams of 1.75 x 10^24 atoms of silicon? grams How many silicon atoms are there…

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Q: A chemist adds 1.30 L of a 5.83 x 10 mmol/L copper(II) fluoride (CuF,) solution to a reaction flask.…

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Q: What is the mass (in kg) of 6.89 × 10^25 molecules of carbon dioxide?

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

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Q: A mixture of potassium chloride and potassium bromide weighing 3.595 g is heated with chlorine,…

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Q: Following the above question, for 1.50 L of mercury, what is the mass in kg? O 2.03 x 10° kg O 2.03…

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Q: ? 239 94 Ри + 96 X + ¿n

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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 7.57 g sample of calcium carbonate completely decomposes into calcium oxide (lime) and carbon…

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Q: About two centuries ago, Benjamin Franklin showed that 1teaspoon of oil would cover about 0.5 acre…

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Q: A student performed an experiment of heating a hydrate and obtained the following data.    the mass…

A: Mass of the empty crucible =17.556g -----Equation A Mass of crucible and a hydrate= 21.018g…