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Aleksandr [31]
3 years ago
11

Free pts lollll here ya go

Chemistry
1 answer:
zlopas [31]3 years ago
6 0

Answer:

thanks bro

Explanation:

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Help what is a b c please I want help this my quiz quick
stich3 [128]

Answer:

1.

A= <u>sum</u><u>(</u><u>mass</u><u>*</u><u>percent</u><u> </u><u>abundance</u><u>)</u>

M 100

=(23.985*78.70)+(24.946*10.13)+(25.983*11.17)/100

= 24.3

2. The element is Magnesium.

3. 2412Mg,2512Mg and 2612Mg

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3 years ago
Give an example of gravitational potential
larisa86 [58]

A raised weight.

Water that is behind a dam.

Have a nice day!

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What ocean is next to California on google maps? That is your answer.

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3 years ago
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How many moles of hydrogen are in 3. 06 × 10⁻³ g of glycine , c₂h₅no₂?.
Gala2k [10]

Answer:

n = 6.06 x 10^{-4} mol

Explanation:

n =?

m = 3.06 x 10-³ g

M (H5) = 5 x 1.01 (Since we only want hydrogen)

Atomic mass of C = 12.01

Atomic mass of H is 1,01, etc.

Having this data, we can use the Molar mass formula and change it so we can know the quantity of matter (n) in moles, and we just replace it.

M = \frac{m}{n} ⇔ n = \frac{m}{M} ⇔ n = \frac{3.06 x 10^{-3} }{5,05} ⇔ n = 6.06 x 10^{-4} mol

Note: The numbers I've used may be different from yours, by a small difference. I don't know if it's the case, but hope it helped.

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2 years ago
Why is refraction so important in eyeglasses.
miss Akunina [59]
It helps our eyes to see better. For example: If you can't read a book because you see that is blurry, you might need glasses to see it much clearer
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