05:25How to Calculate Molar Mass Step by Step with Examples & Practice ProblemsConquer Chemistry875views
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)?2457views5rank1comments
Multiple ChoiceWhat is the molar mass of diazepam also known as Valium if 0.05570 mol weighs 15.86 g?1608views9rank1comments
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% 468views
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 1401views
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) 180.2616views
Textbook QuestionDetermine the formula weights of each of the following compounds: (e) isopentyl acetate, CH3CO2C5H11, responsible for the odor of bananas.647views
Textbook Question(d) What is the molar mass of cholesterol if 0.00105 mol has a mass of 0.406 g?1065views
Textbook Question(d) What is the molar mass of diazepam (Valium®) if 0.05570 mol has a mass of 15.86 g?585views
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?1663views
Textbook QuestionThe molecular formula of aspartame, the artificial sweetener marketed as NutraSweet®, is C14H18N2O5. (a) What is the molar mass of aspartame?1369views
Textbook QuestionWhat are the molecular (formula) weights of the following substances? (c) CF2Cl2 (a chlorofluorocarbon that destroys the stratospheric ozone layer462views
Textbook QuestionWhat are the molecular (formula) weights of the following substances? (b) C4H8O2 (butyric acid, responsible for the odor of rancid butter)397views
Textbook QuestionWhat are the molecular (formula) weights of the following substances? (a) Hg2Cl2 (calomel, used at one time as a bowel purgative)681views
Textbook QuestionWhat are the molecular weights of the following pharmaceuticals? (b) C22H27F3O4S (fluticasone, anti-inflammatory)611views
Textbook QuestionWhat are the molecular weights of the following pharmaceuticals? (a) C33H35FN2O5 (atorvastatin, lowers blood cholesterol)520views
Textbook QuestionWhat are the molecular weights of the following pharmaceuticals? (c) C16H16ClNO2S (clopidogrel, inhibits blood clots)372views
Textbook QuestionWhat are the molecular weights of the following herbicides? (c) C8H6Cl2O3 (dicamba, effective on broadleaf plants333views
Textbook QuestionWhat are the molecular weights of the following herbicides? (b) C15H22ClNO2 (metolachlor, pre-emergent herbicide)384views
Textbook QuestionWhat are the molecular weights of the following herbicides? (a) C6H6Cl2O3 (2, 4-dichlorophenoxyacetic acid, effective on broadleaf plants)329views
Textbook QuestionWhat is the molecular weight of cholesterol if 0.5731 mol weighs 221.6 g?895views1rank
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?449views1rank
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?1401views
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 isotopes392views
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?2061views4rank1comments
Textbook QuestionIf 6.02 * 1023 atoms of element Y have a mass of 83.80 g, what is the identity of Y?1117views2rank
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 FeTiO3.480views
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?1904views1rank
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?247views
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?426views
Open QuestionCalculate the molar mass of each compound. keep at least one decimal place in atomic masses from the periodic table.361views
Open QuestionWhich is the formula mass of Na2SO4? 119.06 amu, 125.98 amu, 142.05 amu, or 174.12 amu?181views
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?177views
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/mol174views
Open QuestionDetermine the formula weight of Al2(SO4)3. Provide an answer to two decimal places.155views
Open QuestionWhat is the molar mass of Mg3(PO4)2, a substance formerly used in medicine as an antacid?147views
Open QuestionWhat is the molar mass of Mg3(PO4)2, a substance formerly used in medicine as an antacid?135views
Open QuestionDetermine the molar mass of Al2(SO4)3・5H2O. Provide an answer to two decimal places.171views