Answer:
Mass = 217.30 g
Solution:
Mass and moles are related to each other as,
Moles = Mass / M.mass ---- (1)
Where;
Moles = 3.42
M.Mass = 63.54 g.mol⁻¹
Solving eq. 1 for Mass,
Mass = Moles × M.mass
Putting Values,
Mass = 3.42 mol × 63.54 g.mol⁻¹
Mass = 217.30 g
Answer:
It's the first option. A distance between two similar points on a wave of light.
Explanation:
On a wavelength chart, where you measure the rate at which the light travels at its distance from the source. You have two points to compare to.
Answer:
it gives up electrons B. because the bond between the electrons is not very strong due to how few of them there are
Explanation:
when an optical telescope located on the ground is used to view the sky the image has to surpass through the earth's atmosphere which is polluted. so the resolution wont be clear. When viewed on a mountain top both optical and infrared telescopes would perform better as the air above the atmosphere is less depth and cleaner.
