Activity I 1. How many moles are there in 24.0 grams of FeF3? 2. How many moles are there in 458 grams of Na2SO4? 3. How many grams are there in 2.30x1024 atoms of silver? 4. How many grams are there in 7.40 moles of AgNO3? 5. How many grams are there in 7.50x 1023 molecules of H2SO4? 6. How many molecules are there in 122 grams of NO2? 7. How many grams are there in 9.40x 1025 molecules of H2? 8. How many molecules are there in 237 grams of CCl4? 9. How many molecules are there in 2.30 grams of NH3? 10. How many grams are there in 3.30x1023 molecules of N2I6? 11. How many moles are there in 2.00x 1019 molecules of CCl4? 12. How many grams are there in 1.00x 1024 molecules of BCl3? 13. How many grams are there in 4.50 moles of Ba(NO2)2? 14. How many molecules are there in 9.34 grams of water?

Q: 2. What does it mean to "balance" a chemical equation, and how this is related to the Law of…

A: A chemical reaction consists of the reactants and the products. The reactants react with each other…

Q: Consider the reaction: 2C:H«(g) + 702 (g) → 4CO:(g) + 6H:O(1). If 64 grams of O2 react with 45 grams…

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Q: Hummingbirds eat approximately 9 grams of sugar water per day. a. If the sugar water is 25% sucrose…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: 15. How many O atoms are in 2.00 g Al₂O3 ? Al = 26.98 g/mole, O = 16.00 g/ mole 3.54 x10exp22 O…

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Q: 2. A compound contains 43.38 percent Na, 11.33 percent C, and 45.29 percent oxygen. What is the…

A: Here, I am providing you the solution of only question 2 as you have asked for it. Given, Mass % of…

Q: a. How many grams of iron(III) nitrite, Fe(NO2)3, are present in 1.82 moles of this compound? grams…

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Q: 2. a) How many molecules are in 2.00 moles of H¿O? b) How many hydrogen atoms in 2.00 moles of H,O?…

A: Since you are posted with multiple sub-parts. As per the rule, I am answering first three sub-parts…

Q: Ammonium sulfate, (NH4)2SO4, is used in fertilizers to provide nitrogen for the soil.  a. How many…

A: Given,  Ammonium sulfate (NH4)2SO4 ,  The number of formula units present in 0.200 mol. of ammonium…

Q: Calculate the number of moles in each of the following samples: 10) 3.69 x 1024 atoms of uranium, U…

A: Given samples: 3.69×1024 atoms of uranium, U 7.54×1023 molecules of H2O 76.9 g of BaSO4 146.2 g of…

Q: Consider the molecule tetrahydrocannabinol (?21?30?2), or THC: How many moles of carbon atoms are…

A: The formula of tetrahydrocannabinol is C21H30O2 . From the concept of molecular weight and mole…

Q: 15. How many O atoms are in 4.25 moles of sucrose (table sugar), C11H22O11? Space for calculations:

A: Step 1:Number of moles of O  = (Number of moles of sucrose) ×      (Number of O atoms per molecule…

Q: A sample is found to contain 0.650 mole of a chemical substance. a. How many atoms are present if…

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Q: Lab 5. Counting Molecules 1. Fill in the table C12H22011 NH,CI Mass (g) 1.0015 1.0238 Molar Mass…

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Q: A sample of Water, H2O, has a mass of 55 grams. Determine the number of moles in the sample.

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Q: 10. How many molecules are in a 1.7 gram iron nail? 11. How many molecules are in a 0.35 gram piece…

A: (10) Given that -  Mass of iron = 1.7 g    From mole concept one of any Substance equal to -  1 mole…

Q: KC3H5O4 + 7.5 02--> 8 CO2 + 2 H20 + KOH For the reaction listed above, how many grams of oxygen (as…

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

Q: A: What is the correct chemical formula when Co4+ combines with S2- ?  B:  How many ATOMS of OXYGEN…

A: A: What is the correct chemical formula when Co4+ combines with S2-?

Q: a)How many grams of oxygen are there in 24.81g of N2O5? b)How many CO2 molecules are contained in…

A: Answer:Number of moles in a sample of compound is always equal to the ratio its mass and molar mass.…

Q: What is the molar mass for each of the following compounds? 1. Na,CO; Fe(CIO;); How many molecules…

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Q: How many GRAMS of carbon are present in 4.07 moles of carbon tetrachloride, CCl4?  grams  How many…

A: Molar mass of C= 12 g/mol Molar mass of CCl4 = 153.82 g/mol Number of moles = mass ÷ molar mass

Q: Hi, I was wondering if you could help me with this question. How do I find out specificaly how many…

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Q: a. Calculate the molar mass of P205. Molar masS = g/mol %3D b. Calculate the molar mass of Caz…

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Q: 1.How many moles is 176.17 grams of ammonium phosphate [(NH4)3PO4]? 2.How many moles is 6.77x1022…

A: Moles  = massmolar mass=No of moleculesAvegadro Number

Q: 3. How many molecules are there in 24 moles of FeF3?

A: Given values are,  Moles of FeF3 = 24 mol

Q: how many atoms of nitrogen are in 1.34 moles of nitrogen  2. how many of copper 2 are in 2.62 moles…

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

Q: Aluminium has a density of 2.70 | g/cm3 . How many moles of aluminum are in a 13.2 cm3 block of the…

A: Density :- Density of a substance is its amountof mass per unit volume . So , density is the…

Q: 2 Fe,0, 4 Fe + 3 0, (is the reaction balanced?) 2. How many moles of oxygen would be produced from…

A: Please find the attachment.

Q: How many particles are there in: 1. 2.00 moles of ammonia NH3? 2. 0.50 moles chlorine Mg3(PO4)h? 3.…

A: According to the mole concept - 1 mole of any Substance has = 6.023×1023 Molecules/atoms /particles…

Q: #58. How many moles of nitrogen gas would be produced if 4.81 moles of copper(II) oxide were reacted…

A: Stoichiometry is the calculation of reactants and products in chemical reactions in chemistry.

Q: A.) Calculate the number of moles of aluminum, sulfur, and oxygen atoms in 8.00 molesmoles of…

A: Stoichiometry calculation are there in this question  The solution is in the next step

Q: If you have 4 moles of CH4 molecules, how many C atoms do you have? 16 4 moles 16 moles

A: Here, we have to find the number of C atoms that are present in 4 moles of CH4.

Q: a. How many N2 molecules are contained in 2.55 mol of N2? N2 molecules b. How many N atoms are…

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Q: 25. How many particles are present in 8.0 moles of silver? 1.6 · 1024 particles 3.0 · 1023 particles…

A: Given: The number of moles of silver is 8.0 mol. The number of particles present in the "n" number…

Q: How many hydrogen atoms are contained in 3.64 g of PtCl2(NH3)2? O4.90 x 1022 O9.79 x 1022 О4.38 х…

A: Molar mass of PtCl2(NH3)2 is given by  Molar mass = Atomic mass of Pt + Atomic mass of Cl X 2 +…

Q: 3. Calculate the percent by mass of the second element in the properly written formula. Example, for…

A: We need to find the percentage by mass of the second element in the properly written formula of the…

Q: What amount (moles) of compound is present in 3.40 g of each of the following compounds? mol b. Fes…

A: Given: Mass of compound = 3.40 g. The moles of any compound is given by, => Moles = MassMolar…

Q: 3. Sucrose has the chemical formula of C12H22011. How many moles of each type of atom are in 1 mol…

A: In one mole of any substance there are avogadro's number of entities. Given number of moles of…

Q: Calculate the molar mass of the following substances. Molar Mass = b. Mg3(PO4)2 Molar Mass = c.…

A: Molar mass of given compounds can be calculated as:

Q: 5. The sugar in your kitchen has a molar mass of 342.3 g/mol. How many particles are present inside…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: 8. How many moles are there in 7.5 x 1043 molecules of H2SO,?

A: Given that , Molecules of H2SO4= 7.5×10^23

Q: If there are 2.37 moles Fe203 then how many moles of Fe and O2 are there ? if there are 11.11 moles…

A: Given, 1) Moles of Fe2O3 = 2.37 moles Moles of Fe = ? Moles of O2 = ? 2) Moles of Fe2O3 = 11.11…

Q: You journey to the future and discover that a new element has been added to the periodic table below…

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Q: 4. How many moles are in 15 grams of lithium?

A: 4. Given :- mass of Li = 15 g  To calculate :- number of moles of Li

Q: Consider the following reaction: CS₂ + 30₂ → CO₂ + 2 50₂ When molecules of CS and O₂ were allowed to…

A: Carbon disulfide reacts with oxygen to form carbon dioxide and sulfur dioxide. The equation for the…