Answer:
The atomic weight (or atomic mass) of Vanadium is 50.9415 which means that a "mole" of Vanadium atoms (6.02 x 10^23 atoms) will have a mass of 50.9415 grams. So, 214.1 grams of Vanadium would have
(214.1 / 50.9415) * (6.02 x 10^23) = 2.530 x 10^24 atoms
Step-by-step explanation:
Answer:
1/2
Step-by-step explanation:
4 is the total right and 5/7 make it half so it will be 1/2. hope this helps!
Answer:
turn the percentage into a decmial and then multiply the money
20x+50=450
-50 -50
20x=400
Divide both sides by 20
X=20
Answer:
7/20
Step-by-step explanation:
given,
2r = 7/10
r= 7/10*1/2
r= 7/20