Mole calculation practice. 77 0 grams 3 how many moles are in 22 grams of argon.
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Solutions to the molar mass practice worksheet.
Calculating molar mass worksheet pdf. 1 mole molar mass could be atomic mass from periodic table or molecular mass 1 mole 22 4 l of a gas at stp you do not need to worry about this yet each definition can be written as a set of two conversion factors. Molar mass practice worksheet author. Molar mass worksheet key water h 2o element number mm h 2 1 01 g mole o 1 16 00 g mole total mm 18 02 g mole carbon dioxide 2co 2 element number mm o 2 16 00 g mole c 1 12 01 g mole total mm 44 01 g mole sodium chloride nacl element number mm cl 1 35 45 g mole.
7 how many grams are in 4 5 moles of li. Use your periodic table calculator and avogadro s number 6 02×1023 to help. Round atomic masses to the tenth of a decimal place.
8 how many molecules are in 23 moles of oxygen. Check your notes for help with molar mass. 1 cl2 2 koh 3 becl2 4 fecl3 5 bf3 6 ccl2f2 7 mg oh 2 8 uf6 9 so2 10 h3po4 11 nh4 2so4 12 ch3cooh 13 pb no3 2 14 ga2 so3 3.
All of the units given here are grams per mole which may be abbreviated as g mol grams mol or g. Important note to students. 9 how many moles are in 3 4 x 10.
Find the formula mass of the following compounds. 1 x 40 1 40 1 n. 6 how many moles are in 25 grams of water.
2 x 14 0 28 0 o. Molar mass worksheet answer key calculate the molar masses of the following chemicals. Moles grams and molecules worksheet.
0 55 moles 4 how many grams are in 88 1 moles of magnesium. To find mass in grams to find of particles of moles x molar mass of moles x 6 02×1023. Mol 1 depending on how your teacher likes to see it written.
1 cl 2 71 g mol 2 koh 56 1 g mol 3 becl 2 80 g mol 4 fecl 3 162 3 g mol 5 bf. Mole calculation worksheet answer key 1 how many moles are in 15 grams of lithium. Molar mass worksheet calculate the molar mass of the following chemicals.
0 46 moles 2 how many grams are in 2 4 moles of sulfur. Place your final answer in the formula mass column. 1 mole molar mass g can be written as 1 mole or molar mass g.
Here s how to find the answers. 6 x 16 0 96 0. Find the formula mass of ca no3 2 ca.
Use the number of moles given to fill in the table below. 2141 grams 5 how many moles are in 2 3 grams of phosphorus. Sum molar mass 18 0152 g h 2o per mole chapter 3 calculation of molar masses calculate the molar mass of the following magnesium nitrate mg no 3 2 1 mg 24 3050 2 n 2x 14 0067 28 0134 6 o 6 x 15 9994 95 9964 molar mass of mg no 3 2 148 3148 g calcium carbonate caco 3 1 ca 40 078 1 c 12 011 3 o 3 x 15 9994 molar mass of.
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