What is the mass, in kilograms, of 7.76 x 10-4 molecules of carbon tetrachloride? Round your answer to three significant figures.

Q: a. What is the mass in grams of 1.75 × 1024 atoms of silicon? grams b. How many silicon atoms are…

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Q: 12. What mass of carbon di a. 0.468 g b. 2.81 g

A: Given reaction,  C6H14 + 13CO2 -------->6CO2 + 7H2O we have to find mass of CO2 produced by 5.50…

Q: The molecular formula for caffeine, one of the key compounds found in coffee and tea, is C8H10N4O2.…

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

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Q: 5. Aspirin has the formula CyH3O4. How many atoms of oxygen are there in a table weighing 360 mg? a.…

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

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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

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: 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: Ethylene dibromide is a compound with the molecular formula C2H2Br2. What is its molecular mass in…

A: The molecular formula of ethylene dibromide is C2H2Br2.

Q: What is the mass in grams of 1.15 x 10^24 atoms of manganese?

A: 1 mol Mn has mass equal to  59.94 g  1 mol Mn = 6.022 × 1023  atoms of Mn

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: 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: In a laboratory experiment, an undergraduate student collected a sample of ammonium phosphate. If…

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Q: A flexible container contains 6.02 x 10 molecules of N, at a volume of 22.4L. What will be its new…

A: To solve this problem we have first convert the number of molecules into number of moles . We know…

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: The chemical formula for diethyl amine is: (CH,CH,),NH Calculate the molar mass of diethyl amine.…

A: To calculate the molar mass of diethylamine.

Q: Calculate the mass in grams of 3.96 x 104 molecules of dichlorine hexaoxide. Enter your answer in…

A: DIchlorine hexaoxide →Cl2O6Number of moles of any molecule = Given number of molrculesAvogadro's…

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: Calculate the molar mass of an element if a 1.20 mol sample of it has a density of 2.18 g/cm3 and…

A: General chemistry.

Q: 1.28 x 1023 molecules of C10H22 would have what number of carbon atoms? How many moles are there in…

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Q: What is the mass, in g, of 2.67 × 10 nickel (Ni) atoms? Enter your answer in scientific notation. 12…

A: The given data contains, Atoms of nickel = 2.67×1012 Molar mass of Nickel = 58.69 g/mol.

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: Of the following, is the smallest mass. O 25 kg 2.5 x 10 mg O 2.5 x 105 pg O 2.5 x 10° fg O 2.5 x…

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Q: F. How many oxygen molecules are in 2.40 g of O2(g)? A: 4.52 x 1022

A: Given : Mass of O2 = 2.40 g

Q: The chemical formula for diethyl amine is: (CH;CH,),N H 2 Calculate the molar mass of diethyl amine.…

A: Mass of one mole of substance is known as molar mass of substance. It may be calculated by adding…

Q: What is the mass, in grams, of 1.40×1021 molecules of aspirin, C9H8O4C9H8O4? Express your answer…

A: The number 6.022 × 1023 indicating the number of atoms or molecules in a mole of any substance is…

Q: What is the mass in grams of 9.25 x 10^24 molecules of CO2? Write the answer in decimal form.

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Q: 3) 0.706 g

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Q: grams are in 2.71 x1024 molecules of S8?

A: Given: To find the grams in 2.71×1024 molecules of S8

Q: What is the mass in grams of 3.7 x 1019 particles of iron(III) carbonate?

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Q: a. What is the mass in grams of 1.48 X atoms of krypton? grams b. How many krypton atoms are there…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Calculate the number of atoms in a 2.17 x 105 mole sample of neon. Your answer should be rounded to…

A: Number of moles of a substance is equal to the mass of the substance divided by its molar mass.

Q: What is the mass, in grams, of each of the following? I.) 2.1×10−3 mol Sb Express your answer…

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Q: What is the mass, in grams, of 1.51 x 1018 atoms of gold present in one nanoparticle? i

A: First of all calculate the number of moes of gold constitute the given number of atom. Then…

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

A: a) To determine the mass in grams of silicon which is present in 1.75×1024 As 6.022 ×1023 atoms are…

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: 1.28 x 1023 molecules of C10H22 would have what number of carbon atoms? 6.

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Q: What is the mass (in grams) of 8.907 x 1047atoms of silver?

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Q: What is the mass in grams of 1.20 × 1014 lead (Pb) atoms? X 10 Enter your answer in scientific…

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Q: You wish to prepare 207 grams of 14.7 % Ca(NO3)2. You will need grams of calcium nitrate and mL of…

A: Given mass of solution = 207 gm

Q: What is the weight in grams of 6.02x1023atoms of sodium? Give the answer to 3 significant figures.

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

Q: How many carbon atoms are there in a 1.0-carat diamond? Diamonds are a form of pure carbon. ( 1…

A: Given:1 carat=0.20gWe know,Atomic mass of C=12.0107g/molalso, 1 mol of C=6.022×1023 atoms of C

Q: What is the mass, in grams, of 7.82 x 1016 molecules of oxygen?

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Q: The mass of 1 molecule of HI in grams is 127.91.

A: We have to tell whether mass of HI given is correct or not

Q: Mass (in grams) of 1.00×10−2 molof CdS. Express the mass in grams to three significant digits.…

A: The mass in grams is calculated for CdS as shown,

Q: Calculate the mass, in grams, of each of the following.   1.6×1023 gold atoms Express your answer…

A: Number of atoms of different elements are given and from that given data, we have to find the mass…

Q: What is the mass of 2.5 x 1023  atoms of hydrogen?   What is the mass of 1.77x 1024 molecules of…

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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: A freighter carrying a cargo of uranium hexafluoride sank in the English Channel in late August…

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.