How many atoms are in the 156 mL of ethanol? (density = 0.79 g/mL) (Molar mass: 46.07 g/mol) (medium) 1.

Q: How many grams are present in 2.4x1045 molecules of H2O2?

A: Given :- number of H2O2 molecules = 2.4 × 1045 molecules  To calculate :- mass of H2O2 (in grams)

Q: СаСОз + H3PO4 Ca3(PO4)2 + CO2 +_ H,O - - - REACTANTS PRODUCTS Element Symbol How Many? Element…

A: Answer

Q: How many hg of oxygen are in 9.999 pg of cobaltous phosphite nanohydrate? The answer is 4.829 x…

A: Here we have asked how many hg of oxygen are present in 9.999 pg of cobaltous phosphite nanohydrate?…

Q: How many molecules of amoxicillin (C16H19N305S, molar mass 365.4 g/mol) are contained in a 440-mg ig…

A:

Q: Mass of Salicylic Acid ___5.037 g _______    Actual: 2.26 g   what is the percent yield?

A: Percent yield is ratio of actual yield and theoretical yield expressed in percentage. It is…

Q: What is the molar mass of a particular compound if 0.050 mol weighs 5.96 g?

A:

Q: How many molecules of C,H, are present in 385.42g of CH,,? 10 10

A: no of moles=mass/molar mass Molecules=moles×6.023x1023

Q: the mass of 0.014 moles of sodium sulfate, in grams?

A: The relation between number of moles(n), molar mass(M) and mass (m) of a substance can be given by…

Q: of

A: moles= given mass /molecular mass We have 0.730 mole of CS2 Molecular mass =76.13g/mol Mass of CS2=…

Q: The compound butyric acid gives rancid butter its characteristics odor. A). What is the molecular…

A: Hey, since there are multiple sub parts questions posted, we will answer first three questions. If…

Q: A fuel tank used in a barbecue contains 9.8 gr. of total atoms of propane, C3H8(g)- a. What amount…

A: Because propane is made up only of carbon and hydrogen , the chemical formula is C3H8 . It's an…

Q: An infant dose of acetaminophen (C8H9NO2) is 0.080 g. How many moles of acetaminophen are in each…

A: Given, Mass of acetaminophen = 0.080g.

Q: true, sometimes true, or never true: “In a chemical reaction between two reactants, the limiting…

A:

Q: 34.0 g of aluminum and 39.0 g of chlorine gas, How much would be the excess reactant?

A: The molar mass of aluminium (Al) is 26.98 g/mol. The molar mass of chlorine gas (Cl2) is 70.9 g/mol.

Q: (a) What is the chemical formula of eugenol, the main contri butor to the aroma of cloves? (b)…

A: a) We have to find chemical formula of eugenol, the main contributor to the aroma of cloves.…

Q: The subscripts in a chemical formula give relationshipsbetween moles of the constituent elements and…

A: Given statement: "The subscripts in a chemical formula give relationships between moles of the…

Q: A shot of espresso contains roughly 64mg of caffeine, C8H10N4O2.  - Provide the molar mass of…

A:

Q: How many grams are in 0.02 moles of beryllium iodide, BeI2? Round to the hudreths place (two decimal…

A: From Number of moles formula :                    number of moles = weight of the substance / gram…

Q: The active ingredient in many antacid tablets is calcium carbonate, CaCO3. How many moles of calcium…

A: The molar mass of calcium carbonate is 100.1 g/mol.

Q: 2. Percentage Composition a. % of water in Iron (III) phosphate tetrahydrate b. % of hydroxide ions…

A: A). Molecular weight of FePO4 .4H2O = 222.88 g/mol Molecular weight of four  moles H2O = 4×18.015 =…

Q: If the student used 3.103 g of MoOs, how many moles of MoO3 were present?

A:

Q: the table Delow: 10rtuele ROUMPMY Water H20 Two H atoms and one O atom ore (orbon otom and Carbon…

A: Given chemical compounds: Sulfur dioxide, Dihydrogen sulfide, Ammonia, Oxygen gas, Nitrogen gas,…

Q: Be sure to answer all parts. How many H atoms are in 61.9 g of isopropanol (rubbing alcohol), C,HgO?…

A: The mass of isopropanol is = 61.9 g The molar mass of isopropanol is = 60.1 g/mol The number of the…

Q: In one reaction, 0.308 moles of SiCl4 is produced. How many miles of molecular chlorine were used in…

A:

Q: How many grams of HNO, are in 3.255 × 1022 molecules of HNO,? Show the conversions required to solve…

A:

Q: A florist prepares a solution of nitrogen-phosphorus fertil-izer by dissolving 5.66 g of NH₄NO₃ and…

A: Given: Mass of NH4NO3 = 5.66 g Mass of (NH4)3PO4 = 4.42 g And volume of final solution = 20.0 L

Q: Suppose 2.60 g of chlorine, Cl2, are used to prepare dichlorine pentoxide, Cl2O5. How many moles of…

A: Ans. Dichlorine pentoxide formation: (a) moles of oxygen             2Cl2+5O2 → 2Cl2O5      (2…

Q: If 15.0 g of methanol (CH3OH) reacted, how many grams of carbon dioxide (CO2) gas would be produced?

A:

Q: In the past, laughing gas, N20, was given to patients before medical procedures because it slows…

A: In order to calculate number moles we need to calculate molar mass of NO2

Q: 3. What physical property of water and HCl allows us to separate them from the zinc chlorine…

A: Solution: We know the solubility principle i.e. likes dissolves like. Since HCl is the strong acid…

Q: Magnesium oxide (MgO) forms when the metal burns in air.(a) If 1.25 g of MgO contains 0.754 g of Mg,…

A: Magnesium burns in air, which results in the formation of magnesium oxide. It is expressed in the…

Q: Taking 28,6 g of Na2CO3.xH2O, it is heated in a burner flame. After the heating process, the mass of…

A: The reaction when Na2CO3.xH2O is heated is as follows: Na2CO3.xH2O →Na2CO3+xH2O

Q: How many moles of sucrose, C12H22O11, are in a 25-g sample of sucrose?

A: The atomic mass of , C = 12                                    H = 1…

Q: What quantity in moles of NaCl are in 72.0 grams of NaCl?

A:

Q: 10. If the student used 1.056 g NaOH, how many moles of NaOH were present?

A: Mass of NaOH = 1.056 g  Moles of NaOH = ?

Q: The following diagram represents the collection of elementsformed by a decomposition reaction. (a)…

A: a. The above diagram we can tell the empirical formula would be N atoms are in numbers of three and…

Q: college.com/course.html?courseld=15539865&Heplb=67br| Sugar O Shop | Origami Owl Wholesale Glass...…

A: The number of moles of any substance is equal to the Avogadro number which means that 1 mole of…

Q: If the density benzene C6H6 is 0.879g/mL, how much many moles are present in 17.9 mL of benzene?

A: Given, Density of benzene = 0.879 g/mL Volume = 17.9 mL Molar mass of benzene is 78.11 g/mol Now,…

Q: if a box of cereal contains 990 mg of potassium, how many moles of K are present in the box?

A:

Q: There are 2.01 multiplied by 10^25 formula units of CaCl2 on a balance what is the mass in grams?

A: 1 mole = 6.022×1023 [ Avogadro's number ] Anything which is in the number of 6.022×1023 is said to…

Q: How can I get the mass of NaCl, g? How can I get the mas of SiO2,g?

A: It is given that the observations shown in the table are recorded and the mass of NaCl and SiO2…

Q: 1) Given 6.00 x 102 mg of diphosphorous pentoxide: a)A How many millimoles (mmoles) are there?…

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

Q: For the dehydration experiment, the mass of green crystals before heating was G.H g. After the…

A: Since you have posted multiple questions, we are entitled to answer the first only

Q: An elemental analysis of a compound containing S and O produce 50.00 % S and the rest is oxygen.…

A:

Q: Q1: a- How many hydrogen and oxygen atoms are present in 1 molecule of H2O? b- How many moles of…

A: a)

Q: Be sure to answer all parts. How many H atoms are in 61.9 g of isopropanol (rubbing alcohol), C,HgO?…

A: SOLUTION   Mass of isopropanol = 61.9 g   Molar mass of isopropanol = 60.1 g/mol   Moles of…

Q: Butane has a molecular weight of 58.1 grams in one mole.  How many carbon atoms are in 3.00 gg of…

A: Butane is a hydrocarbon made of four compounds and is represented as C4H10

Q: What is the percent by weight (w/w%) of sugar in soda? Assume the average mass of sugar in soda is…

A: