05:25How to Calculate Molar Mass Step by Step with Examples & Practice ProblemsConquer Chemistry874views
Multiple ChoiceThe reaction between nickel metal and hydrochloric acid is not a simple dissolution. The product formed is NiCl2 • 6 H2O (s), nickel (II) chloride hexahydrate, which has exactly 6 waters of hydration in the crystal lattice for every nickel ion. What is the molar mass of nickel (II) chloride hexahydrate, NiCl2 • 6 H2O (s)?2430views5rank1comments
Multiple ChoiceWhat is the molar mass of diazepam also known as Valium if 0.05570 mol weighs 15.86 g?1593views9rank1comments
Multiple ChoiceUse the data in the table to calculate the atomic mass of silicon. Exact Mass and Abundance of 3 Isotopes of Silicon Isotope Isotopic Mass Abundance 28Si 27.97693 amu 92.23% 29Si 28.97649 amu 4.67% 30Si 29.97376 amu 3.10% 465views
Multiple ChoiceThe atomic mass of argon is 39.948 amu. Without any mathematical computations, which of the following isotopes has the largest natural abundance? Exact Mass 3 Isotopes of Argon Isotope Isotopic Mass 36Ar 35.96755 amu 38Ar 37.96272 amu 40Ar 39.96238 amu 1392views
Textbook QuestionThe ball-and-stick molecular model is a representation of caf-feine. Calculate the molecular weight of caffeine. (Gray = C, red = O, blue = N, ivory = H.) (LO 3.3) (a) 194.2 (b) 182.2 (c) 192.2 (d) 180.2610views
Textbook QuestionDetermine the formula weights of each of the following compounds: (e) isopentyl acetate, CH3CO2C5H11, responsible for the odor of bananas.643views
Textbook Question(d) What is the molar mass of cholesterol if 0.00105 mol has a mass of 0.406 g?1063views
Textbook Question(d) What is the molar mass of diazepam (Valium®) if 0.05570 mol has a mass of 15.86 g?584views
Textbook QuestionThe molecular formula of allicin, the compound responsible for the characteristic smell of garlic, is C6H10OS2. a. What is the molar mass of allicin?1655views
Textbook QuestionThe molecular formula of aspartame, the artificial sweetener marketed as NutraSweet®, is C14H18N2O5. (a) What is the molar mass of aspartame?1362views
Textbook QuestionWhat are the molecular (formula) weights of the following substances? (c) CF2Cl2 (a chlorofluorocarbon that destroys the stratospheric ozone layer460views
Textbook QuestionWhat are the molecular (formula) weights of the following substances? (b) C4H8O2 (butyric acid, responsible for the odor of rancid butter)395views
Textbook QuestionWhat are the molecular (formula) weights of the following substances? (a) Hg2Cl2 (calomel, used at one time as a bowel purgative)679views
Textbook QuestionWhat are the molecular weights of the following pharmaceuticals? (b) C22H27F3O4S (fluticasone, anti-inflammatory)610views
Textbook QuestionWhat are the molecular weights of the following pharmaceuticals? (a) C33H35FN2O5 (atorvastatin, lowers blood cholesterol)518views
Textbook QuestionWhat are the molecular weights of the following pharmaceuticals? (c) C16H16ClNO2S (clopidogrel, inhibits blood clots)371views
Textbook QuestionWhat are the molecular weights of the following herbicides? (c) C8H6Cl2O3 (dicamba, effective on broadleaf plants331views
Textbook QuestionWhat are the molecular weights of the following herbicides? (b) C15H22ClNO2 (metolachlor, pre-emergent herbicide)383views
Textbook QuestionWhat are the molecular weights of the following herbicides? (a) C6H6Cl2O3 (2, 4-dichlorophenoxyacetic acid, effective on broadleaf plants)327views
Textbook QuestionWhat is the molecular weight of cholesterol if 0.5731 mol weighs 221.6 g?892views1rank
Textbook QuestionSuppose that on another planet the atmosphere consists of 17% Kr, 38% CH4, and 45% O2. What is the average molar mass at the surface? What is the average molar mass at an altitude at which all the O2 is photodissociated?444views1rank
Textbook QuestionCytochrome c is an iron-containing enzyme found in the cells of all aerobic organisms. If cytochrome c is 0.43% Fe by mass, what is its minimum molecular weight?1396views
Textbook QuestionMatch the descriptions (a)–(e) with the following terms: atomic weight, atomic mass, mass number, atomic number, molar mass. (a) The mass of a specific atom such as one atom of 13C (b) The quantity determined by the number of protons in an element. (c) The number of grams in 1 mol of an element (d) The number of protons and neutrons in an element (e) The weighted average of the isotopic masses of an element's naturally occurring isotopes388views
Textbook QuestionA 67.2 g sample of a gold and palladium alloy contains 2.49 * 1023 atoms. What is the composition (by mass) of the alloy?2043views4rank1comments
Textbook QuestionIf 6.02 * 1023 atoms of element Y have a mass of 83.80 g, what is the identity of Y?1114views2rank
Textbook QuestionOne method to synthesize ionic solids is by the heating of two reactants at high temperatures. Consider the reaction of FeO with TiO2 to form FeTiO3. Determine the amount of each of the two reactants to prepare 2.500 g FeTiO3, assuming the reaction goes to completion. (b) Calculate the formula weight of FeTiO3.478views
Textbook QuestionThe molecular weight of a compound is the sum of the atomic masses of all atoms in the molecule. What is the molecular mass of acetaminophen (C8H9NO2), the active ingredient in Tylenol?1896views1rank
Open QuestionWhat is the molar mass of CHCl3? 48.47 g/mol, 83.92 g/mol, 119.37 g/mol, or 121.39 g/mol?242views
Open QuestionHere is the query: What is the molar mass of fluorine, F2? Is it 9.00 g/mol, 18.00 g/mol, 19.00 g/mol, or 38.00 g/mol?420views
Open QuestionCalculate the molar mass of each compound. keep at least one decimal place in atomic masses from the periodic table.357views
Open QuestionWhich is the formula mass of Na2SO4? 119.06 amu, 125.98 amu, 142.05 amu, or 174.12 amu?179views
Open QuestionDetermine the formula weight of Ca(NO3)2. Provide an answer to two decimal places.160views
Open QuestionWhat is the molar mass of 1-butene if 5.38 × 1016 molecules of 1-butene weigh 5.00 μg?174views
Open QuestionWhat is the molar mass of Al2(SO4)3? 150.03 g/mol 278.03 g/mol 342.17 g/mol 450.09 g/mol170views
Open QuestionDetermine the formula weight of Al2(SO4)3. Provide an answer to two decimal places.154views
Open QuestionWhat is the molar mass of Mg3(PO4)2, a substance formerly used in medicine as an antacid?146views
Open QuestionWhat is the molar mass of Mg3(PO4)2, a substance formerly used in medicine as an antacid?132views
Open QuestionDetermine the molar mass of Al2(SO4)3・5H2O. Provide an answer to two decimal places.170views