How many hydrogen atoms are in each of the following:   Part A: C2H5OH Express your answer as an integer.   Part B:  Ca(C2H5COO)2 Express your answer as an integer     Part C:  (NH4)2HPO4 Express your answer as an integer.

Q: Calculate the number of grams of F in 4.65 grams of copper (ll) fluoride

A: We have given that  Calculate the number of grams of F in 4.65 grams of copper (ll) fluoride

Q: CS2 (1) +2 O2 (g) CO2 (g) +2 SO2 (g) Given: AH, CO2 (g) = - 393.5 kJ/mol; AH SO2 = -296.8 kJ/mol; AH…

A: Heat of reaction is difference of energy of product  and energy of Reactant. If heat of reaction is…

Q: PbCO3(s)→PbO(s)+CO2(g)PbCO3(s)→PbO(s)+CO2(g) Express your answers as integers separated by commas

A: Note: Assuming that the question is to balance the given reaction.

Q: The chemical name for Tums is calcium carbonate, CaCO3, is used to treat symptoms caused by too much…

A: Given: Mass of CaCO3 = 522.61 mg = 0.52261 g                                                 (Since…

Q: 1- Alum used in cooking is potassium aluminum sulfate hydrate, KAl(SO4)2. XH2O. To find the value of…

A:

Q: Diamond is one form of elemental carbon. An engagement ring contains a diamond weight 1 carats. One…

A: Diamond is an allotropic form of carbon. It consists of carbon atoms only. The molar mass of diamond…

Q: Read sections 3-9, and 3-10 in Christian, 6h Ed. Use this information to answer the following…

A: In a measurement, uncertainty represents the incorrectness or error of measurement. Thie uncertainty…

Q: Which of the following values is in "SOE" for the compound named iron(III) oxalate? A) 167.4 g Fe B)…

A: The molecular formula of iron(III) oxalate is Fe2(C2O4)3  Hence 1 mole of Fe2(C2O4)3 has 1) 2 Atoms…

Q: For methylcyclohexane, shown below, the total number of 1°, 2° and 3° hydrogens, respectively is O…

A: The correct answer is given below

Q: . Vitamin C has the formula c6h8o6. Calculate the number of vitamin C molecule present in 0.250g of…

A: Applying formula  Mole = gram weight/molecular weight

Q: Calculate the number of atoms of carbon (C) in 475 cm3 of the colorless gas butane at 0 °C and…

A:

Q: What is the percent by mass of oxygen in morphine, C17H19NO3? Group of answer choices 71.55 6.72…

A: The molecular formula of morphine is = C17H19NO3 The percent mass of oxygen in the morphine is =?

Q: A 15.152-gram sample of a hydrate was heated to drive off the water, leaving Al(NO3)3 (s) with a…

A:

Q: When the following equations are balanced using the smallest possible integers, what is the number…

A:

Q: How many molecules of CBR4 are there in a (1.63x10^2) g sample? Note: Your answer is assumed to be…

A:

Q: Calculate the mass of 3.011 x 10^23 atoms of calcium.  Report your answer to two decimal places

A: First find no. of moles by dividing by Avogadro no. ( NA) then find mass.

Q: H2O + CO2 ---> C2H12O6 + O2 How many moles of CO2 are needed to make 0.065 mol oxygen? Be sure…

A:

Q: What element has 7.767 x 1017 atoms in 6.57 x 10-5 g of material?   Group of answer choices A.…

A: Given data is: Mass of material = 6.57×10-5 g Determine the element having 7.767 x 1017 atoms in…

Q: The average nicotine (C10H14N2) content of a Camel cigarette is 1.93 mg. Suppose an individual…

A: The average nicotine (C10H14N2) content of a Camel cigarette is 1.93 mg.

Q: Determine the formula weight of caffeine, C₈H₁₀N₄O₂. Provide an answer to two decimal places.

A: The formula weight of caffeine can be calculated as follows:

Q: 28. What is the coefficient of H₂O when the following equation is properly balanced with smallest…

A: A balanced chemical equation is the one that contains the same count of different types of atoms on…

Q: What is the percent by mass of hydrogen in Ca(OH)2? Group of answer choices 2.72 % 1.36% 21.6 %…

A: % by mass basically tells about the concentration of one element present in the mixture. The formula…

Q: What are the missing coefficients for the equation below? Al,(SO4)a(aq) + KOH(aq) → Al(OH)a(aq) +…

A: 1) The right answer is option  D) 1,6,2,3 2) The right option is B) New atoms are formed as…

Q: What is the percent composition of H in C9H20? Record your answer to 2 decimal spaces.

A:

Q: An allotrope of elemental sulfur is the cyclic molecule S6 . Calculate the number of molecules and…

A: The number of molecules and moles are related to each other by the given relationship as; 1 mole =…

Q: Calculate the number of carbon atoms in 1.75 g of table sugar, C12H22O11 Express your answer using…

A: mole = (given mass ÷ molecular mass) Molecular mass of sugar C12H22O11 = 342g

Q: The formula for lactose is C12H22O11, and the monohydrate is C12H22O11H2O. What is the percent by…

A:

Q: A  sample of washing soda (a hydrate of sodium carbonate) has the formula Na2CO3.xH2O. When 2.558 –g…

A: The value of x can be calculated by knowing the moles of Na2CO3 and H2O present in the Na2CO3.xH2O…

Q: Calculate the empirical formula for each of the following natural flavors based on their elemental…

A: The empirical formula of a compound expresses a ratio between the numbers of atoms of different…

Q: A particular oral contraceptive contains 0.033 mg of ethinyl estradiol in each pill. The formula of…

A: Formula of Compound = C20H24O2  Amount of C20H24O2  in one pill = 0.033 mg = 0.033 * 10-3 g  No of…

Q: H9SO4. H,SO4(aq)

A:

Q: Calculate the moles of Na25203 using the following data: • Sample volume (mL) = 200.0 • Buret…

A: Molarity (M) or molar concentration of a solution is defined as the number of moles of solute…

Q: a 20 L gas tank. Assuming a molecular formula of C8H18 for gasoline and complete combustion of the…

A: Given  Volume of tank = 209 L molecular formula of gasoline = C8H18 density of gasoline = 819 g/L…

Q: 3. C9H18 + 02 Co2 + H20 Find the difference between the coefficients of the reactants. O A. 15 О в.…

A: Given reaction,      C9H18 + O2 → CO2 + H2O

Q: The “alum” used in cooking is potassium aluminum sulfate hydrate, KAl(SO4)2 ∙ x H2O. To find the…

A:

Q: O CHEMICAL REACTIONS Interconverting number of atoms and mass of compound Calculate the number of…

A: Mass of forsterite (Mg2SiO4) = 80.0 g  Number of magnesium atoms = ?

Q: Cgrafito + 2H2 CH4(9) CH4(g) + 202(g) CO2(9) + 2H2Ou) ACH°= -802.37 kJ/mol Cgrafito + O2(g) CO2(9)…

A: Applying Hess's law and with help of data given it is determined that formation∆HCH4.

Q: Seoyeon needs to determine the formula of an unknown hydrate (AB-XH2O). Given the following data:…

A: Given: Hydrated salt AB.xH2O

Q: Use the data below to determine the mmoles of sodium oxalate to 2 decimal places. (MM sodium oxalate…

A: Consider the given information is as follows; Mass of sodium oxalate = 0.093 g Molar mass of sodium…

Q: Calculate the number of atoms of hydrogen (H) in 394 cm³ of the colorless gas butane at 25 °C and…

A:

Q: a) Using NO2(g) as an example, show with dimensional analysis that the molecular mass and molar mass…

A: To convert u (amu) to g/mol, u is converted to g and then multiplied with the Avogadro constant.…

Q: Calculate the molar mass for the following atoms/molecules. (SHOW WORK AND ROUND FINAL ANSWERS TO 2…

A:

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

A: Known: Molar mass of C = 12.011 g/mol Molar mass of H = 1.0079 g/mol Molar mass of O = 15.999 g/mol

Q: Calculate the percent by mass of S in each of the following compounds Part A. C2H6SO,…

A: A) The compound given is C2H6SO Molar mass of C2H6SO = Atomic mass of C X 2 + Atomic mass of H X 6 +…

Q: Using the following equation: Fe203(s) + 3H2(g) What is the molar ratio of iron (III) oxide (Fe,03)…

A:

Q: Number of OO atoms in 5.25×10−3 molmol Al(NO3)3Al(NO3)3. Express the amount in atoms to three…

A: Given, 5.25×10−3 mol Al(NO3)3

Q: pure sample of an organic molecule has the formula CxHyOz. If x = 12, y = 21, and z = 2. Calculate…

A:

Q: Enter your answer in the provided box. Calculate the mass in kilograms of 64.6 mol of CuF2 · 2H2O.…

A: