I could be wrong here, but I think n is 4? I plugged it in, but I was a bit unsure of what you were asking. Wish you the best!
The answer is 2.95 × 10²³ atoms
Atomic mass is 200.59 g.
So, 1 mole has 200.59 g. Let's calculate how many moles have 98.3 g:
1M : 200.59g = x : 98.3g
x = 98.3 g * 1 M : 200.59 g = 0.49 M
To calculate this, we will use Avogadro's number which is the number of units (atoms, molecules) in 1 mole of substance:
6.023 × 10²³ atoms per 1 mole
<span>How many atoms are in 0.49 mole:
</span>6.023 × 10²³ atoms : 1M = x : 0.49M
x = 6.023 × 10²³ atoms : 1M * 0.49M = 2.95 × 10²³ atoms
Answer:
9
Step-by-step explanation:
Step 1: Distribute
-1=-x+8
Step 2: Put terms on one side
-1=-x+8
-8 -8
__ __
-9 0
Step 3: Make "x" positive
-9=-x
*-1 *-1
__ __
9 x
9=x
Hope this helps!
Your answer would be A)
Hope this helps (:
Ex 1 3/2
2 x 1 +3 5
------------ = ----- = 2.5
2 2
first denominator times whatever the whole number is then add that to the nominator than you have an improper fraction
because 3/2 = 1.5 then plus the whole number which is 1.0 = 2.5
