How many grams would 1.75 moles of this compound be?

Q: 3.A sample of 7.2 moles of the ionic compound, potassium dichromate, K2Cr2O7, is present. How many…

A: The formula of the given compound is K2Cr2O7. One mole of potassium dichromate contains the number…

Q: 3. Sodium carbonate decahydrate Na CO₂ · 10H₂0 .

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Q: 1. How many molecules are there in 1.2 moles of Cu (NO32? 2. How many grams are there in 4.2 moles…

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Q: Calculate the molar mass. a. Co(NO3)2 x 6H2O b. Ni(NO3)2 x 6H2O

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Q: One carrot may contain 0.63 mg of vitamin A (C20H30O). How many moles of vitamin A is this? x 10 mol…

A: Molar mass of Vitamin A = 286g/mol Mass of vitamin A= 0.63mg=0.00063g Moles= (0.00063/286) mol=…

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: Sodium chloride, NaCl, forms by the following reaction between sodium and   a. How many moles of…

A: Given data:  mol of Cl2 = 3.4 Molar mass of NaCl = 58.44 g/mol

Q: Given the atomic masses: x=1 grams Z=16 grams A=32 grams What is the molar mass (in grams ) of…

A: Given: The atomic masses for x, Z and A are included in the table. Element Atomic mass of 1 mole…

Q: Mass of Zn 2.44 g Mass of Cu 0.063 g The mass of Zn and the mass of Cu in a coin are given in the…

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Q: This is the chemical formula for talc (the main ingredient in talcum powder): Mg3 (Si₂05), (OH)2 An…

A: 1 mole of A2B2 contains 2 mole A and 2 mole B

Q: How many molecules are in 30.2 g of butane (C4H10)? O a. 3.13 x 10 e23 molecules O b. 31.3 x 10 e23…

A: Given: Mass of butane= 30.2g To find: The number of molecules

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: 1. Law of Conservation of Mass. When diamond-a pure form of carbon-is burned in an oxygen…

A: C + O2-------> CO2

Q: An unknown compound comprised of osmium and chlorine is 40.11% osmium by mass. a. If you assume…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

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: 5. How many carbon atoms are in one mole of C6H1206?

A: Note : As per our guidelines we are supposed to answer first question. Please repost the other…

Q: How many moles are there in 101 g of Hexane (CeH,)? 0.85 O 1.17 O 2.02 O 0.50

A: Given, Mass of hexane = 101 g To calculate the number of moles.

Q: Ascorbic acid, or vitamin C (C6H8O6), is an essential vitamin. It cannot be stored by the body and…

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Q: 2 NH3 + 3 CuO --> 3 Cu + N₂ + 3H₂O In the above equation how many moles of N₂ can be made when 190.1…

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Q: A particular oral contraceptive contains 0.0391 mg ethynyl estradiol in each pill. The formula of…

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Q: What is the mass of oxygen atoms in 0.305 moles of Fe(CO)5 ?

A: 1 mol Fe(CO)5 contains 5 moles of oxygen atom. Mass of oxygen = number of moles of oxygen × molar…

Q: . How many moles of Al(C 2 H 3 O 2 ) 3 contain 19mol O ? 6. Determine the % composition by mass of…

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Q: Avogadro's number is the number of O grams in 1 mole of a compound. grams in 1 mole of an element.…

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Q: 2 NH3 + 3 CuO --> 3 Cu + N₂ + 3H₂O In the above equation how many moles of N₂ can be made when 170.6…

A: Given equation,  2 NH3 + 3 CuO → 3 Cu + N2 + 3 H2O Molar mass of N2 = 14+14 = 28 g.mol-1 Molar mass…

Q: Dinitrogen oxide (or nitrous oxide), N2O, also known as laughing gas, is widely used as an…

A: We know that number of moles = mass / molecular weight mass = moles * mol.wt.   Molecular weight of…

Q: 1. A sample of magnesium phosphate contains x moles of Mg3(PO4)2. Express each of the following…

A: The detailed explanation of the given question is below

Q: 5) How many grams are there in 7.50 x 1023 molecules of H₂SO4? 2 x 1001. 2.02 23 32.07 +64.00 1 х…

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Q: 2 NH3   +  3 CuO --> 3 Cu   +   N2   +   3 H2O In the above equation how many moles of N2 can be…

A: The Given data- 2NH3 + 3CuO → 3Cu +N2+ 3H2O The mass of CuO consumed= 191.7 g To find = The moles of…

Q: 1) How many molecules are in 2.00 moles of Cl2?

A: Hi, since you have posted multiple questions. As per our guidelines, we will answer the very first…

Q: buprofen is an anti-inflammatory with the formula C13H18O2 A. What is the molar mass of ibuprofen?…

A: The answer can be calculated by the simple unitary method.

Q: 19. What is the mass of 9.35 · 104º particles of carbon? Carbon has a molar mass of 12.01 g/mol.…

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

Q: Convert 6.76 x 1024 molecules/formula units of X4Z4 into grams of the same compound. (Assume that…

A: Molar Mass Of X4Z4 = 4 × molar mass of X + 4 × molar mass of Z = (4 × 32.75) g/mole + (4 × 51.8)…

Q: Convert 4.49 mol NaCl to moles of CaCl2, using the equation given below. Round to the nearest 0.01,…

A: A question based on mole concept that is to be accomplished.

Q: 1. Suppose that you weigh out 6.95 g of CuSO4.5 H₂O at the beginning of the experiment. How many…

A: Given, mass of CuSO4.5H2O = 6.95 g moles of Cu2+ in the sample = ? Note: molar mass of CuSO4.5H2O =…