The active ingredient in baking soda is NaHCO3. How many grams of NaHCO3 are needed to provide 2.15 x 1023 atoms of oxygen?

Q: One of the Freons, CCI₂F2, is manufactured from carbon tetrachloride and hydrogen fluoride. The…

A: Given,when CCl4 reacts with HF to form CCl2F2 and HCl.mass of CCl2F2 = 117 kgmass of CCl4 = 183…

Q: If 6.750 grams of lithium carbonate was used in the reaction, how many grams of carbon dioxide would…

A: The equation for the decomposition of lithium carbonate is as follows. Li2CO3 → Li2O + CO2 This is a…

Q: Calculate the mass in grams of a sample of NO2 that contains 1.000 x 10^25 molecules.

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Q: Calculate the mass in grams of 1.10 x 104 molecules of Sulfane, H2S. g NA= 6.022 x 1023

A: Mass of H2S in grams = 6.210 g

Q: What is the mass of 2.00 × 10 ^ 19 molecules of CCl4?

A: Given the number of molecules of CCl4 are --- 2.00×1019 molecules What is the mass of this given…

Q: What is the mass, in grams, of 9.94 x 104 molecules of methanol (CH, OH) ?

A: Given molecules of methanol is 9.94 x 1024 It is known that 1 mole of  methanol has 6.023 × 1023…

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

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Q: Two chemists determined the weight of X obtainable from several samples of an organic compound,…

A: Given:  Mass of X(C6H5)3 = 5.341 gm  Mass of X2O3 = = 2.829 gm

Q: What is the mass (in grams) of 1.25 x 10^22 molecules of SeO2?

A: 1 mole of any species contains Avogadro's number i.e. 6.023 × 1023 of its constituent particles…

Q: What is the mass in grams of 4.2 x 10^22 atoms of Zn ?

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Q: what is the mass, in grams, of 3.01 x10^23 copper atoms

A: Number of copper atoms = 3.01 × 1023  We need to determine mass of copper.

Q: Calculate the mass in grams of 1.10 x 1024 molecules of Sulfane, H2S. g NA= 6.022 x 1023

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Q: What is the mass in grams of 7.3 x 1024 molecules of lactic acid (C3H6O3), the compound responsible…

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Q: Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum…

A: Given information: Mass of Al2O3 = 12.4 kg Mass of NaOH = 57.4 kg Mass of HF = 57.4 kg

Q: What is the mass in grams of 4.57 × 10¹⁵ molecules of CO₂?

A: is a molecule which is made up of three atoms carbon and two oxygens. One mole of contains…

Q: What is the mass in grams of 5.56 x 1023 atoms of arsenic (As) ?

A: 1 mole of As is having atomic mass                                           = 74.9216 g 1 mole is…

Q: How many Moles of magnesium phosphate do you have if you have 8.257 x 10^25 phosphate ions

A: Divide ion by Avogadro number to get mole

Q: How many moles of Fe(NO3)2 are present in 32.176 g Fe(NO3)2?

A: Molar mass of Fe(NO3)2 = 56 + (14+ 16x3) x 2 = 56 + 124 = 180 g/mol Given mass of Fe(NO3)2 = 32.176…

Q: How many moles of white phosphorus, P4, are in 98.40 g?

A: Molecules are made up of two or more than two atoms.We have been given white phosphorus, P4 and we…

Q: How many grams of tin are in 10.44 grams of an (oh)2 .the molar mass of an (oh)2 is 152.63g/mol

A: Answer:mass of Sn(OH)2 = 10.44 gmass of tin (Sn) = ?Note: Molar mass of Sn(OH)2 = 152.73 g/molMolar…

Q: A student is running an experiment in which 48.1 grams of MgBr2 is needed, but the only jar of…

A: Given Mass of MgBr2 needed = 48.1 g

Q: What is the mass of 1.8 x 10^21 molecules of O2?

A: given, number of molecules of O2 = 1.8×1021 molecules the molar mass of O2 = 32 gmol-1 avogadro…

Q: 4. A chemist has a sample of propanol, C3H;OH, that contains 9.2 x 1024 molecules. What is the mass…

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Q: Determine the number of nitrate ions in 179 g Mg(NO3)2.

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Q: Given the following reaction in the picture, what mass of hydrogen gas will be produced by the…

A: Given reaction: 3Fe(s) + 4H2O(g) → Fe3O4(s) + 4H2(g) We have to find the mass of hydrogen gas that…

Q: Calamine is a naturally occurring zinc silicate that contains the equivalent of 67.5% zinc oxide,…

A: Using mole concept we can easily determine how much reactants  is used or composition of elements in…

Q: How many H atoms are there in (3.80x10^2) grams of H2O?

A: Number of moles = Mass/Molar mass Number of atoms in 1 mole = 6.0224 x 1023 Molar mass of water =…

Q: What is the mass in grams of 5.57 × 10¹⁵ molecules of SO₂?

A: We know that , 1 mole = 6.023x1023molecules/atoms/ions.1 mole = molar mass of molecule .6.023x1023…

Q: Calculate the mass percent of chlorine in Mg(ClO4)2.

A: We know that, Molar mass of Cl = 35.45 g/mol Molar mass of Mg(ClO4)2 = 223.206 g/mol

Q: Consider the following reaction:  4 Al + 3 O2 →  2 Al2O3 A mixture of 82.5 g of aluminum and 117 g…

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Q: 1. Sphalerite is a zinc sulfide (ZnS) mineral and an important commercial source of zinc metal. The…

A: (1) Given that , mass of zinc sulfide = 5.00×103 g = 5000 g    Now, from following Reaction -  2ZnS…

Q: A scientist is trying to discover information about an unknown metal in a compound. The formula for…

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Q: Write a balanced equation for the reaction of glucose (C 6H 12O 6) with oxygen (O 2) to form carbon…

A: The balanced chemical equation is the equation formed when the elements on the reactant side of the…

Q: A sample of phosphorus weighs 3.8 x 103 ng.  How many phosphorus atoms are present in this sampme?…

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Q: Calculate the mass in grams of 0.45 moles of Be(ClO3)2.

A: Given: Moles of Be(ClO3)2 = 0.45 mol The mass of a substance can be calculated by multiplying the…

Q: A scientist is trying to discover information about an unknown metal in a compound. The formula for…

A: Step - 1Formula for the compound = XBr3Means in 1 mol of compound 3 mol of Bromine are…

Q: Chromium(III) oxide can be made from the reaction of sodium dichromate and ammonium chloride. What…

A: Given, mass of  sodium dichromate (Na2Cr2O7) = 108.7 g mass of ammonium chloride (NH4Cl) = 61.6 g…

Q: What is the mass (in grams) of 3.03 × 10^24 molecules of carbon dioxide molecules?

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Q: The density of silver is 10.5 g/cm^3. How many silver atoms are present in a silver bar that…

A: Given,Density of silver = 10.5 g/cm3Measurement of silver bar = 0.100 m × 0.050 m × 0.010…

Q: What is the maximum mass (in grams) of Magnesium Phosphate, Mg3(PO4)2, that can be obtained from…

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Q: How many grams of oxygen are in 1.55 g of Ca3(PO4)2?

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