How many atoms are in 237g of Si
A. 1.41 x 10^-23
B. 5.10 x 10^24
C. 8.46
D. 1.10 x 10^-20
How many atoms are in 237g of Si A. 1.41 x 10^-23 B. 5.10 x 10^24...
How many Oxygen atoms are there in 78.1 g Na2C2O4 A)1.40 x 10^24 B)3.51 x 10^23 C)2.52 x10^28 D)3.87 x10^-24
How many moles of silicon, Si, are in 1.57 x 1024 Si atoms? 1.57 x 1024 Si atoms = mol
A B C D 9.03 x 10 24 9.03 x 10 21 none of the above How many atoms of nitrogen are in 1.5 9.03 x 10 22 9.03 x 10 23 moles? 2.3 x 10 22 2.3x 10 21 2.3 x 10 23 none of the above How many atoms of nitrogen are in 3.8 moles? How many atoms of nitrogen are in 2.1 moles? How many atoms of nitrogen are in 4.8 moles? How many atoms of nitrogen...
How many moles of Silicon are 4.20 x 10^25 atoms of Silicon, Si? 69.7 0.0142 mol 0.396 mol none of these
How many molecules of CH3OH will contain 3.20 x 10^23 H atoms?
How many atoms are there in 5.10 moles of sulfur (S)? How many moles of calcium (Ca) atoms are in 77.4 g of Ca? Calculate the molar mass of a compound if 0.372 moles of it has a mass of 152 g.
5a) 25.0 g of C are how many moles? (2.08 moles) 24 atoms of C) 25.0 g of C are how many atoms of C? (1.25 x 10 -1 g) 20 moles of Ag are how many atoms of Ag? (6.456 x 10 -3 b) 1.072 x 10 moles of Ag are how many grams? (1.156 x 10 -3 1.072 x 10 atoms) -10 g) -12 moles) 12 c) 2.408 x 10 molecules of Cl are how many grams? (2.835...
How many grams of Si are there in a sample of Si that contains 3.53x1023 atoms? | grams 1. How many ATOMS of nitrogen are present in 3.23 grams of nitrogen trifluoride ? atoms of nitrogen. 2. How many GRAMS of fluorine are present in 1.28x1022 molecules of nitrogen trifluoride ? grams of fluorine . The percent by mass of magnesium in Mg(OH)2 %.
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.
how many tons are present in 4.0 mol of nickel metal? a.2.41*10^24 b.24.1*10^24 c.2.41*10^23 d.2.41*10^22