thebpss
thebpss
22-09-2021
Chemistry
contestada
What is the mole of 125 mg of Na? How many Na atoms?
Respuesta :
smileybrendan2000
smileybrendan2000
22-09-2021
(125 mg Na) x (1 g/1000mg) x (1 mol of Na/22.99 g) = 5.43 E -3 mols of Na
5.43 E -3 mols x 6.022 E 23 = 3.27 E 21 Na atoms
Answer Link
VER TODAS LAS RESPUESTAS ( 99+ )
Otras preguntas
Which pair of numbers has a sum of 100? A 62, 48 B 52,58 с 42, 58 D 42, 48 Meeting now 50:06
Answer two questions about Systems A and B: System A 5x +y = 3 4x – 7y = 8 System B 5x+y=3 x+8y=-5 1) How can we get System B from System A? 
2y+1=x 3x+y=17 Substitution
1. How long is 50% of 60 minutes? 2. How long is 10% of 60 minutes? 3. How long is 75% of 60 minutes?
uh i just need to know what to say
Come up with another way to separate certain mixture?
Paul leaves from Johannesburg to Limpopo and has to travel 300km to get to his destination: If he travels at a constant speed of 75 km per hour, how many hours
If you were to travel from Moscow to St. Petersburg, roughly how many miles would you have to go?
Find the value of r in(4,r) (r,3) so that the slope of the line containing them is 0
How has the suburban environment changed shopping? A. Specialty shops that offer high-quality goods have been created to address one specific need. B. To conso
