Calculate the number of moles of aspirin, C9H8O4, in a 4.0 gram tablet. Group of answer choices 0.022 2.2 4.6 x 10-3 2.2 x 10-4

Q: 19. How many grams does 3.5 x 1025 molecules of H2SO4 weigh?   Group of answer choices a)  5.7 X…

A: Using the concept of number of moles we can find mass of H2SO4.

Q: How many ng of lithium are in 83.3 pg of lithium nitrate pentahydrate? The answer is  3.63 x 10^-3…

A: Definition of mole- Moles is the ratio of mass to the molar mass of that species or compound. So,

Q: Chloroethane, C2H5ClC2H5Cl, is used to diagnose dead tooth nerves. How many moles are in 29.0 gof…

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Q: What is the correct form of the conversion factor needed to convert the number of moles of H,0 to…

A: Given A balanced equation representing the reaction between Mg3N2 and H2O giving Mg(OH)2 and NH3

Q: A sample of 7.89 g of Mg(OH)2 is added to 24.6 mL of 0.190 M HNO3. How many moles of HNO3 are…

A:

Q: How many grams are in a 3.25 mol sample of NH4OH? Group of answer choices 35.1 g 34.0 g 10.8 g 114…

A: Mass of one mole NH4OH is---- Element Atomic weight No of atoms Total mass (g) Nitrogen (N)…

Q: How many grams of sodium bicarbonate are in 3.056 moles of sodium bicarbonate (84.007 g/mole)? Group…

A: The number of atoms, ions, and molecules present on a given amount can be determined by the “Mole…

Q: ce the equation below using the smallest set of whole numbers. What is the coefficient of H₂O?…

A: A balanced chemical equation is an equation in which an equal number of atoms of each element are…

Q: 3) AH = ? H2C ĆH H3C-CH Given: B.E.'s C-H C-C C=C C=0 C-O 0-H kcal/mole 99 83 145 173 85 111

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Q: Convert 3.45 x10^27 molecules of sulfur hexafluoride to moles of sulfur hexafluoride. (SF6 )…

A: Given that : We have to convert 3.45 x1027 molecules of sulfur hexafluoride to moles of sulfur…

Q: Calculate the mass in grams 3 sig figs of 3.10x1022 molecules of water.

A: Given that : We have to calculate the mass of 3.10x1022 molecules of water.

Q: Calculate how many grams of chlorine gas are in 7.099 x 1023 atoms of chlorine gas

A:

Q: A certain compound has a molar mass of 323.4 g/mole  .  Determine the number of grams in 2.73 x 10-2…

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Q: A compound contains 0.01492 moles of V and 0.03416 moles of Cl.  Calculate the ratio of moles of Cl…

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Q: How many hydrogen atoms are present in 2.2 moles of CH4? Group of answer choices 3.3 x 1023 H atoms…

A: One mole of molecule corresponds to its molecular weight or it has 6.023 x 1023 molecules.…

Q: moles

A: Molar mass of KCl = ( mass of K ) + ( mass of Cl )  Molar mass of KCl = ( 39.0gmol-1 ) + (…

Q: 14. How many moles of CC are in each of the following quantities? A. 79 gg of CC Express your…

A: Answer:- This question is answer by using the simple concept of calculation of moles using the given…

Q: Ammonia, NH3, is a pungent inorganic chemical with many industrial and household uses. How many…

A: If mass and molecular weight given than mole eaisly determine

Q: X 101 Chem 101 bAnswered: Write a balanced X G how many kilograms are in X (71) Tyler DeWitt -…

A: The given chemical equation is mentioned below:

Q: How many moles of CrO42- are in 5.0 mL of 0.0024 M K­2CrO4? How many moles of Ag+ are in 5.0 mL of…

A:

Q: How many molecules are there in 54.6g of PF3? You will need to divide your answer by 1.0x10^23

A: Since we know that 1 mole of PF3  will contain 6.023 * 1023 molecules  i.e. is  equal to Avogadro no

Q: How many moles are present in 49.2g of sulfur?  Report your answer to 2 decimal places

A:

Q: QUESTION 6 Convert 2.09 moles NaOH to grams. 174 grams NaOH 83.6 grams NaOH 2. grams NaOH 0.0523…

A: 6. Given;

Q: 2 Al(s) + 3 Cl2 (g) 2 AICI:(s) 2 Al(s) + 6 HCI(aq) → 2 AICI3(aq) + 3 H2 (g) AH = -1049 kJ/mole HС()…

A: Bu using Hess law

Q: Calculate the number of LiLi atoms (NLiNLi) in 7.2 molmol of LiLi. Express your answer using two…

A: 1 mol of a substance contains Avogadro's number of  atoms.

Q: Write the two possible conversion factors using Avogadro’s number and the mole unit: 2. Write two…

A: Avogadro's number = 6.022 X 1023 molecules/mol

Q: Determine the molar mass of SO2.  Report your answer to 2 decimals places

A: Using concept of calculation of molecular mass with the help of molecular formula.

Q: Citric acid, C6H8O7, is found in many fruits How many H atoms are contained in 0.1g of citric acid…

A: Given that:  Molecular formula of citric acid = C6H8O7  Mass of citric acid = 0.1g Molar mass of…

Q: Which of the following conversion factors is not consistent with the equation: 4NH3+5O2=4NO+6H2O A)…

A: Different units are used to express the volume and mass of substances such as grams, micrograms,…

Q: How many atoms of hydrogen are contained in each of the following? 15 molecules of C6H5CH3 2.27…

A: using the mole concept moles= given mass/ molar mass moles= no of atom/molecule/6.023×1023 using…

Q: Calculate the moles of C2H6C2H6 in 1.28×1023 molecules of C2H6C2H6.   Express your answer using…

A: Solution - According to the question - Given value - Number of molecules of C2H6 = 1.28×1023 Number…

Q: AgNO3 + NaBr  → AgBr + NaNO3 1. I need 2 moles of silver bromide. How many moles of silver nitrate…

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Q: Calculate the mass in grams 3 sig figs of 3.10x1023 moles of water

A: Here, we have to find the mass of 3.10x1023 moles of water.

Q: How many milliliters of 0.372 M NH4Cl will contain the following? (answer in scientific notation)…

A:

Q: 1. Moles to Grams Convert the following from moles to grams. Write your solution and answer in the…

A: A compound is made up of molecules of same type. For example : NaCl compound has Avagadro's number…

Q: Calculate the number of grams in the following 0.84 mole of 2-propanol, C3H8O, rubbing alcohol. Must…

A: given : 0.84 mole of 2-propanol, C3H8O, rubbing alcohol

Q: How many Molecules are in 35.0 grams of IF3 ?     Select the correct answer: 3.13x10^24…

A: The given problem can be solved by using the formula given below as; 1 mole = Avogadro's Number…

Q: you have 88.43 grams of Na, how many grams of Na2O do you have? 1 mole Na = 22.99 gramsNa 1 mole…

A: Applying concept of limiting reagent and mole concept.

Q: A chemist needs to add 3.5 moles NaClNaClto a reaction. How much NaCl should she measure out in…

A: Given:  No. of mole of NaCl = 3.5 Molar mass of NaCl = 58.44g/mol Number of mole(n) = (mass of…

Q: Aspirin (C9H8O4) is a medication used to reduce pain, fever, or inflammation. Find out the mass of…

A: 1 mole = 6.022×1023 ( Avogadro's number ) The mass of one mole of atoms is called atomic mass  For…

Q: How many grams of NaCl are in 35.6 moles of NaCl? 1 2. 3 4 8 +/- 7.

A: Moles can be defined as the mass of solute divided by the molar mass of the solute. i.e.…

Q: How many grams O in 115.6 g Fe(OH)g? Molar mass of Fe(OH)g is 106.867 Hint: 1 mole Fe(OH)g has 3 mol…

A: Please refer to next step for solution:

Q: How many moles are in 10.0 g of NaBr?

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: The compound PClx contains 85.14% chlorine by mass. What is the value of x? Enter your response as a…

A:

Q: the mass of 0,8 moles mixtures of NO and CH4 gases is 17 grams; I. The number of moles of NO is…

A: Given:  Total Moles of mixture = 0.8 moles  Total mass of mixture = 17 grams

Q: How many grams of NaCl can be produced from 9 grams of Na? • 2Na + Cl2 –> 2NACI Calculate the final…

A: 1 mol = 6.022×1023 [ Avogadro's number ] The mass of 1 mole of atoms of a molecule is called its…

Q: How many grams of NH3 are needed to produce 40.0g of H20? 4 NH3 + 5 O2 → 4 NO + 6 H2O Group of…

A: Given  Mass of H2O  = 40 gram mass of NH3   =  ? Molar mass of H2O  = (2×1 )+ 16 gram/mole…

Q: How many moles are contained in each of the following? A. 21.0 gg CaCa Express your answer using…

A:

Q: Calculate the number of moles of ethanol present in 243.3 mL of ethanol, CH3CH2OH, which has a…

A: The following relation can be used to calculate the moles of ethanol : 1- Density = mass/volume 2-…

Q: Convert 8.2 moles of calcium oxide into grams of calcium oxide. (CaO) choose the correct multiple…

A: Answer - The correct option is (c)