
1. How many moles of Cl are there in a sample that contains 6.20x1022 chlorine atoms? moles 2. How many chlorine atoms are there in a sample that contains 2.66 mol of Cl? atoms
21) How many moles of NCl3 contain 2.55 × 1024 chlorine atoms? A) 1.41 moles NCl3 B) 4.23 moles NCl3 C) 12.7 moles NCl3 D) 7.87 moles NCl3 E) 2.82 moles NCl3 Can someone please explain step by step how to get the correct answer witch is A.
HW3 - Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 6.90 moles of magnesium perchlorate, Mg(ClO4)2Mg(ClO4)2. Express the number of moles of MgMg, ClCl, and OO atoms numerically, separated by commas. --- A sample of propane, C3H8C3H8, contains 10.3 molesmoles of carbon atoms. How many total moles of atoms does the sample contain? Express the total number of moles of carbon and hydrogen numerically.
How many O atoms are in 2.00 moles of Na 2O 2? Answers: 6.02 × 1024 2.41 × 1023 2.41 × 1024 1.20 × 1024
1. Calculate the number of moles of magnesium, chlorine, and
oxygen atoms in 3.80 moles of magnesium perchlorate, Mg(ClO4)2.
Express the number of moles of Mg, Cl, and O atoms numerically,
separated by commas.
2. A sample of propane, C3H8, contains 10.4 moles of carbon
atoms. How many total moles of atoms does the sample contain?
Express the total number of moles of carbon and hydrogen
numerically.
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Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 8.20 moles of magnesium perchlorate, Mg(ClO4)2. Express the number of moles of Mg, Cl, and O atoms numerically, separated by commas.
The diameter of a chlorine atom is 200 pm. How many chlorine atoms lined up end to end would form a line 1.0 inch long?
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