How many molecules are contained in a glass that holds 490 g of water? How many moles does that correspond to? x 10 (select) v molecules water mol water

Q: How many moles are in 208 g of CuCl2? 0.646 moles 2.80 x 104 moles CuCl2 2.10 moles 1.55 moles CuCl2

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Q: How many moles are there in 6.55 x 1025 molecules of H2O?

A: Given: The number of molecules of water=6.55 x 1025  1 mol of water = 6.022 x 1023 molecules…

Q: Mole 1. How many significant figures are in the number 0.0840900? 2. Write the following number in…

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

Q: How many molecules of oxygen are in 150 g of oxygen? 05.6 x 1024 O28х 1024 О5.6 x 1022 O1.4 x 1024…

A: Given: Mass of Oxygen= 150g To Calculate: Molecules of  Oxygen

Q: Citric acid, C,H,0, is found in many fruits How many H atoms are contained in 0.1g of citric acid…

A: Since you have posted multiple questions, we are entitled to answer the first only. Given: Mass of…

Q: Calculate the mass in grams 3 sig figs of 4.06x1023 molecules of water

A: We know that, Number of mole = Given mass / Molar mass  Mass = Number of moles x Molar mass  1 mole…

Q: Convert 7.22 x 1021 molecules/formula units of X,Z6 into grams of the same compound. (Assume that…

A: 1 mole = 6.022×1023 [ Avogadro's number ] The mass of one mole molecules of the substance is called…

Q: A mystery compound has a molar mass of 28.1 g/mol. How many moles is 98.4 g? Do not put any units in…

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Q: How many molecules are in the sample? 87 g CCl4 Express your answer using two significant figures.

A: Number of moles can be calculated as follows: No. of moles = MassMolar massNo. of moles = 87g153.82…

Q: 2.) 2 C₂ H₂(g) +50₂(g) → 4 (0(g) +₂H₂O(g) quantity 1.6 moles of C₂tl₂ Units desired moles of 0₂…

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Q: Convert 8.04 x 1021 molecules/formula units of X4Z4 into grams of the same compound. (Assume that…

A: Formula unit of a molecule indicates the chemical or molecular formula of the given sustenance.

Q: 17) How many molecules of water are present in 54.7g of water? 5.94 x 10 26 molecules 1.98 x 10 23…

A: Since number of molecules = number of moles X Avogadro's number  And number of moles = mass / molar…

Q: 3 Na + FeCl3 →Fe +3 NaCl Which of the following statements correctly explains the steps needed to…

A: Given chemical reaction is   3Na + FeCl3 -> Fe + 3NaCl In the above mentioned reaction, FeCl3 is…

Q: A chemical compound has a molar mass of 110.93 g/mol. How much would 3.57x 1022 molecules of this…

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Q: Convert 1.59 x 1022 molecules/formula units of X5Z4 into grams of the same compound. (Assume that…

A: The given data contains, mass of X5Z4=1.59×1022molecules/formula molar mass =(5×54.94 g/mol)+(4×8.72…

Q: How many atoms are in the 156 mL of ethanol? (density = 0.79 g/mL) (Molar mass: 46.07 g/mol)…

A: The molecules that present inside any substance can be determined by calculating the number of…

Q: An unknown compound was analyzed and found to have the following percent composition: 26.7% C 35.5%…

A: Empirical formula :-  The chemical formula which shows only relative number (simple ratio) of atoms…

Q: Convert 3.21 x 1021 grams of X5Z, into molecules/formula units of the same compound. (Assume that…

A: Molar mass of X  = 47.56 g/mol Molar mass of Z = 22.9 g/mol First, calculate Number of moles of X5Z6…

Q: How many molecules are in the sample? 17 g C6 H12O6

A: No. Of molecules= (given mass/molecular mass) * Avogadro's no. Avogadro's no. is 6.023*1023

Q: Convert 2,58 x 10 22 grams of X4Z2 into molecules/formula units of the same compound. (Assume that…

A: Answer :- Here I have explained the complete solution . Hope this will really help !!!!!!!!!!!!   So…

Q: How many moles of pentane (C 5H 12) are contained in the following number of molecules? a. 5.00 × 10…

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

Q: Which of the following has the highest number of molecules? O 1.0 g of F2 O 1.0 g O2 1.0 g of Cl2 O…

A: We are given that each of compound is 1.0 g, we need to find the compound with maximum number of…

Q: Which of the following has the highest number of molecules? 1.0g F2 1.0g O2 1.0g Cl2 1.0g H2

A: One mole of a substance is equal to the mass of carbon-12 which contains 6.023 × 10²³…

Q: The following consecutive reaction set is used as the basis of a method for producing nitric acid.…

A: The most common process for manufacturing nitric acid is Ostwald process. The process was first…

Q: Calculate the empirical formula of each substance from their spectrograms. 1) Co = 0.672 g , As =…

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Q: Convert 9.83 x 1022 grams of X4Z4 into molecules/formula units of the same compound. (Assume that…

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Q: The chemical formula for octane is: CH; (CH,),CH; 9. Calculate the molar mass of octane. Round your…

A: Octane is saturated hydrocarbon compound which is a component of gasoline i.e pertrol.  It is…

Q: 10. It does NOT contain 10 moles of the substance. A. 10 gas of H2 B. 440 g of CO2 C. 400 g Ca D. 40…

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Q: How many moles of atoms are contained in the following? (a) 25.0 g NaOH                  (b) 44.0…

A: Mass of NaOH = 25.0 grams Molar mass of NaOH = Atomic Mass of Na + Atomic Mass of O + Atomic Mass of…

Q: B. TRUE OR FALSE: Read each statement carefully. Write TRUE if the statement is correct and FALSE if…

A: Percentage composition gives a brief ideas about each elemental composition as follows.

Q: A chemical compound has a molar mass of 136.63 g/mol. How much would 2.46x 1022 molecules of this…

A: We know that,                1mole=6.023 x 10^23 molecules Also we knows,     1mole=molar mass of…

Q: Convert 32 grams of C2H,OH to moles.

A: Ethanol is an organic chemical compound. Its chemical formula C₂H₆O. It is used as a solvent.…

Q: How many bananas are in0.10 moles of bananas? O 3.0 x 1023 O 3.0 x 10 21 O 6.0 x 1022 O 6.0 x 1024

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Q: What is the percent composition by weight of carbon in the following compound? C6H9O4 Enter your…

A: Here, in this  problem we need to find the weight percentage of carbon in the compound given.

Q: Given the balanced equation Cu + 4HNO3 = Cu(NO3)2 + 2NO2 + 2H2O, provide the proper mole ratio for…

A: The balanced chemical equation is given below.

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: How many molecules are contained in each of the following? (a) 9.6 mol C2H4              (c) 23.2 g…

A: Here given some sample as follows,(a) 9.6 mol C2H4 ,(b) 2.76 mol N2O, (c) 23.2 g CH3OH, (d) 32.7 g…

Q: How many atoms are contained in 12 g of water? O 2.4 x 1024 O 1.2 x 1024 4.0 x 1023 O 1.3 x 1023

A: To calculate the number of atoms in 12 g of H2O Molar mass of H2O = 18 g/mole Now we calculate moles…

Q: Sodium hydroxide reacts with carbon dioxide as follows: 2NaOH(s)+CO2(g)→Na2CO3(s)+H2O(l) How many…

A: Balanced reaction: A chemical reaction is said to be balanced when all number of atom at reactant…

Q: Molar Masses A = 256.03 D = 194.68 E = 157.45 mole mole mole G = 192.47 X = 276.25 9 Z = 162.05 -…

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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: The chemical Oswegium Patheride's formula is Os3Pa2. Oswegium's (Symbol Os) atomic mass is 10 grams…

A: The chemical formula of Oswegium pantherides is Os3Pa2. Given that, the atomic mass of Oswegium is…

Q: (a) Select a pair of conversion factors that relate moles of Al to moles of S. 1 mol S 2 mol Al 2…

A: NOTE: Since there is no reaction given, I'm assuming that the reaction is between the S and Al to…

Q: Calculate the number of O atoms in 0.0782 g of CaSO4·2H2O

A: Given: mass of CaSO4·2H2O = 0.0782 g molar mass of CaSO4·2H2O = 172.17 g/mol

Q: How many grams of NH3 can be produced by mixing 14 g of N2  with 6.0 g of H2? Given:…

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: 39. Calculate the number of molecules present in each of the following samples. a. 4.75 mmol of…

A: We know that for 1 mole of any chemical compound/species,there are Avogadro's number of molecules…

Q: Convert 1.43 x 10^23 molecules/formula units of X5Z3 into grams of the same compound. (Assume that…

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Q: Find the mass in g of Al contained in 3.04g of Al2 O3 and report the correct sig figures

A: Molar mass of any substance represents the mass of one mole of the substance expressed as g/mol.…

Q: 39. Calculate the number of molecules present in each of the following samples. a. 4.75 mmol of…

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

Q: How many molecules are present in 45g of fluorine gas, F₂? 2.71 x 1025 1.03 x 1027 7.13 x 1023 1.97…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".