1 x 40 1 40 1 n. 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.
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2141 grams 5 how many moles are in 2 3 grams of phosphorus.
Calculating molar mass worksheet pdf. Find the formula mass of the following compounds. Mole calculation worksheet answer key 1 how many moles are in 15 grams of lithium. Place your final answer in the formula mass column.
Chemistry computing formula mass worksheet problem set up example. 0 46 moles 2 how many grams are in 2 4 moles of sulfur. 77 0 grams 3 how many moles are in 22 grams of argon.
Molar mass worksheet calculate the molar mass of the following chemicals. Use your periodic table calculator and avogadro s number 6 02×1023 to help. Moles grams and molecules worksheet.
2 x 14 0 28 0 o. 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. Check your notes for help with molar mass.
1 mole molar mass g can be written as 1 mole or molar mass g. Round atomic masses to the tenth of a decimal place. 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.
6 how many moles are in 25 grams of water. Here s how to find the answers. Mol 1 depending on how your teacher likes to see it written.
6 x 16 0 96 0. Mole calculation practice. 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. All of the units given here are grams per mole which may be abbreviated as g mol grams mol or g. 9 how many moles are in 3 4 x 10.
Molar mass practice worksheet author. 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. Important note to students.
7 how many grams are in 4 5 moles of li. Find the formula mass of ca no3 2 ca. 8 how many molecules are in 23 moles of oxygen.
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. Molar mass worksheet answer key calculate the molar masses of the following chemicals. Use the number of moles given to fill in the table below.
Solutions to the molar mass practice worksheet.
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