How many moles are there in 25 g of CO2 gas? How many molecules?

Q: A 2.68 gram sample of a KCl and KCIO3 mixture was found to contain 0.01541 mol of KCIO3. What is the…

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Q: What is the mass percentage

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Q: How many molecules are contained in 5.00g of NH3?

A: Given :- mass of NH3 = 5.00 g  To be calculated :- number of molecules of NH3  number of moles =…

Q: What is the mass (in kg) of 6.89 x 1025 molecules of CO2?  The molar mass of CO2is 44.01 g/mol.

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Q: The chemical formula for feldspar is K₂Al₂Si₆O₁₆. How many moles of feldspar are in 669.9 grams?

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

Q: (2)co 2) A sample of the hydrate of cobalt (II) sulfate had a mass of 3.326g. After heating, the…

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Q: 4NH3(g) + 502(g) 4NO(g) + 6H2O(g) When 8.7 moles of ammonia reacts, determine the mass of water…

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Q: How many molecules are in 3.1x10^-3 g of C9H8O4?

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Q: What is the mass percentage of O in CO2? Provide an answer to two decimal places.

A: Given,  The mass percentage of O in CO2 is:

Q: Quartz, SiO2, contains 46.7% silicon. What mass of silicon is present in 370 g of quartz?

A: To solve this problem we have to calculate the mass of silicon present in quartz .

Q: How many moles are represented by 3.65x10^34 molecules of water?

A: Given: molecules of water = 3.65×1034

Q: How many atoms of oxygen are contained in 47.6 g of Al2(CO3)3? The molar mass of Al2(CO3)3 is 233.99…

A: Given data,Mass of Al2(CO3)3 = 47.6 gMolar mass of Al2(CO3)3 = 233.99 g/molNumber of moles of…

Q: How many moles are in 3.45 x 10^23 molecules of H2CO3?

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Q: moles

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Q: The combustion of gasoline produces carbon dioxide and water. Assume gasoline to be pure octane…

A: The objective of this question is to calculate the amount of carbon dioxide produced when a certain…

Q: How many moles of P 4 O 10 in 1.11 grams of P 4 O 10 ? [The Molar Mass of P 4 O 10 283.886 g/mol.]

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Q: A chemical reaction calls for 0.125 moles of sodium acetate, NaC2H3O2. What mass, in grams, of…

A: The relationship between number of moles (n) and mass of a substance is given by: n=MassMolar…

Q: How many moles of Ag are in 63.5 grams of Ag₂O?

A: The objective of this question is to calculate the number of moles of Silver (Ag) present in 63.5…

Q: Household ammonia used for cleaning contains about 10 g (two significant figures) of NH3 in 100 mL…

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Q: During the decomposition of KClO3, 2.84 grams of oxygen gas are created. How many moles of KClO3…

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Q: Liquid nitromethane was once widely used as an explosive but is now much more common as a fuel for…

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Q: The chemical formula for t-butanol is: (CH3),COH Calculate the molar mass of t-butanol. Round your…

A: The atomic mass of carbon = 12.011 g/mol The atomic mass of hydrogen = 1.0078 g/mol The atomic mass…

Q: That mass of C;Hg is needed to produce 5.25 moles of carbon dioxide?

A: Combustion of hydrocarbons: C3H8 + 5O2 → 3 CO2 + 4 H2O moles of carbon dioxide = 5.25 moles

Q: grams

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Q: How many molecules are present in 1.36 g of AgNO3?

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Q: How many moles of CO2 are contained in 42.0 x 1024 molecules of CO2?

A: Given:Molecules of CO2 = 42.0 x 1024 moleculesWe need to find the moles of CO2 containing the given…

Q: Benzene, C6H6, is an important solvent and intermediate chemical in many chemical reactions. It is…

A: According to the mole concept, one mole of any substance related as - (1) 1 mole of the Substance =…