The answers appear after the final question. View 05.02 Molar Mass of Compounds Quiz.docx from CHEMISTRY 201 at Sunrise Mountain High School. Practice: Moles and molar mass. 203.6 574 g How many moles of Ba(NO3)2 are there in 0.25 L of a 2.00 M Ba(NO3)2 solution? 0.479M. What is the molarity of sodium chloride in sea water? This collection of ten chemistry test questions deals with calculating and using molar masses. Questions and Answers . Popular Quizzes Today. So the mass of two moles of water is 36 g. This quiz will cover simple mole-mass conversions. Give it a try and all the best! The molar mass M is a physical property defined as the mass of a given substance divided by the amount of substance. Mass spectrometry of … 1. Most of these were calculated with molar masses rounded to nearest tenths of a gram but may have … Missed a question here and there? D. 0.610M. The molar mass of a substance is the mass of one mole of the substance. 171.6 g/mol b. C. 0.499M. Start studying Molar Mass, Atomic Mass, and Electron Configuration Quiz. Molar Mass. 2. Multiply the moles of the substance by its molar mass from the periodic table will provide the solution. Take this test and find out. The molar mass is the mass of all the atoms in a molecule in grams per mole. Discuss. It describes 19th-century developments that led to the concept of the mole, Topics include atomic weight, molecular weight, and molar mass. Next lesson. Learn vocabulary, terms, and more with flashcards, games, and other study tools. This quiz will help you practice molarities calculations. Test your understanding of Molar mass concepts with Study.com's quick multiple choice quizzes. by AMDG_Chem Plays Quiz not verified by Sporcle . A periodic table is necessary to complete the questions. 0.488M. This module shows how the mole, known as Avogadro’s number, is key to calculating quantities of atoms and molecules. Question 1 (05.02 MC) What is the molar mass of Ca(ClO4)2? A. Given that the molar mass of NaNO3 is 85.00 g/mol, what mass of NaNO3 is needed to make 4.50 L of a 1.50 M NaNO3 solution? For example, if you want to know the mass of two moles of water, multiply two by water's molar mass, which is 18 grams. 18 * 2 = 36. What is the molarity of 5.30 g of Na 2 CO 3 … Select the closest answer to your molar mass calculation for each of these. B. (3 points) a. This is the currently selected item. Do you understand how the molar mass of a substance is determined? The mole is an important concept for talking about a very large number of things — 6.02 x 10 23 of them to be exact. Worked example: Calculating molar mass and number of moles. Molar Mass Quiz - 13 questions. Sea water contains roughly 28.0 g of NaCl per liter. Rate 5 stars Rate 4 stars Rate 3 stars Rate 2 stars Rate 1 star . Science Quiz / Calculating Molar Mass Random Science or Chemistry Quiz Can you name the Molar Mass? 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