Molar Mass Practice Worksheet Answer Key PROBLEM 4 4 1 10 4 4 1 10 Determine the number of moles of compound and the number of moles of each type of atom in each of the following a 25 0 g of propylene C 3 H 6 b 3 06 10 3 g of the amino acid glycine C 2 H 5 NO 2 c 25 lb of the herbicide Treflan C 13 H 16 N 2 O 4 F 1 lb 454 g
Molar Mass Worksheet Answer Key Calculate the molar mass of the following chemicals Cl2 71 g mol KOH 56 1 g mol BeCl2 80 g mol FeCl3 162 3 g mol BF3 67 8 g mol Conceptual Answers While both are units of mass a gram is Avogadro s number of atomic mass units so you would multiply the number of amu by 6 022x10 23 to find total number of grams A sample of a chromium compound has a molar mass of 151 99 g mol Elemental analysis of the compound shows that it contains 68 43 chromium and 31 57
Molar Mass Practice Worksheet Answer Key
Molar Mass Practice Worksheet Answer Key
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Mole And Avogadro s Number Worksheet With Answers Docsity
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50 Molar Mass Worksheet Answer Key
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Learn for free about math art computer programming economics physics chemistry biology medicine finance history and more Khan Academy is a nonprofit with the mission of providing a free world class education for anyone anywhere Molar Mass Worksheet W 339 Everett Community College Tutoring Center Student Support Services Program Find the molar masses of the following compounds 1 LiI 2 PbCO 4 3 Mg OH 2 4 K 3 PO 4 5 NH 4 3 PO 4 6 C 6 H 12 O 6 7 Fe 2 SO 4 3 8 Na 3 P 9 AgF 10 NH 4 C 2 H 3 O 2 Solutions All answers are to 4 significant figures 1 133 8 g
Solutions to the Molar Mass Practice Worksheet Important note to students All of the units given here are grams per mole which may units in your answer the answer is wrong All answers are rounded to the nearest 0 1 grams 1 102 9 g mol 2 303 3 g mol 3 74 1 g mol 4 164 0 g mol Solution First let us work the problem in stepwise fashion We begin by converting the mass of CCl4 CCl 4 to moles of CCl4 CCl 4 using the molar mass of CCl4 CCl 4 16 05 g mol as the conversion factor 100 0g CH4 1 mol CH4 16 05g CH4 6 231mol CH4 100 0 g C H 4 1 m o l C H 4 16 05 g C H 4 6 231 m o l C H 4
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More Combined Mole Calculations 1 Calculate the mass of 1 000 mole of CaCl2 2 Calculate grams in 3 0000 moles of CO2 3 Calculate number of moles in 32 0 g of CH4 4 Determine mass in grams of 40 0 moles of Na2CO3 Mole Calculation Practice Worksheet Answer the following questions How many moles are in 25 grams of water How many grams are in 4 5 moles of 3 How many molecules are in 23 moles Of oxygen How are the terms molar mass and atomic mass different from one another Which is a better unit for expressing molar mass or grams mole http
About this Quiz Worksheet Test your ability to find the molar mass of compounds and convert moles to grams in this multiple choice quiz and worksheet combo Practice problems assess your Molar Mass 1 KEY Molar Mass Chem Worksheet 11 2 Name The tern mole is used in chemistry as a method for counting or grouping atoms In the same way that a dozen is used to count e22s the mole is used for counting very tiny particles such as atoms and molecules The mass of an object is related to its weight Masses are reported in grams
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Molar Mass Practice Worksheet Answer Key
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Molar Mass Practice Worksheet Answer Key - Fortunately you do have a way to relate mass and numbers of atoms One iron atom has a mass of 55 847 amu and 55 847 g of iron contains 6 022 137 1023 atoms of iron Likewise 32 066 g of sulfur contains 6 022 137 1023 atoms of sul fur Knowing this you can measure out 55 847 g of iron and 32 066 g of sulfur and be pretty certain that you