Answer:
Step-by-step explanation:
- Small box = s
- Large box = l
<u>Equations:</u>
- 8s + 14l = 254
- s + 14l = 191
<u>Subtract the second equation from the first:</u>
- 8s - s = 254 - 191
- 7s = 63
- s = 9
Answer:
These are all equivalent to the ratio of 1:2
Step-by-step explanation:
Answer:
16 cm
Step-by-step explanation:
Circumference is equal to 2 pi r.
Isolating r gives us C/2pi = r
50.26/2pi = 8, exactly.
Diameter is equal to 2r, so the diameter is 16 cm.
the number of moles in a liter is 0. 045 moles
<h3>What is mole?</h3>
Mole, in chemistry, is known as a standard scientific unit used for measuring large quantities or amounts of very small entities such as atoms, molecules, or other specified particles.
It is important to note that the number of units in a mole is also called its Avogadro’s number
The basis for the conversion of moles to liters is
1mol = 22.4Liter
Hence,
If 1 mol = 22. 4Liter
Then x mol = 1Liter
Cross multiply
x × 22. 4 = 1 × 1
22. 4x = 1
Divide through by 22.4
x = 1/ 22. 4
x = 0. 045 moles
Thus, the number of moles in a liter is 0. 045 moles
Learn more about moles here:
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