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Crazy boy [7]
2 years ago
10

Hii can someone help me this is for my important unit test!

Chemistry
1 answer:
Sever21 [200]2 years ago
8 0
A. It shows quantitative data that relates two variables
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sergiy2304 [10]
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3 years ago
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3 years ago
A Proton is positively (+1) charged particle and the mass 1.6727 x 10-^24 g
AVprozaik [17]

The sub-atomic particles of an atom are the proton, electron and the neutron. An electron has a charge of -1 and a smaller mass than a proton. Proton has the same mass with the neutron. The ratio between the mass of a proton and an electron is about 2000. An electron has an equal value but negative charge with the proton.

6 0
3 years ago
How mant grams are there in 7.15 x 10^24 molecules of water?
worty [1.4K]

Answer:

B. 214.02

Explanation:

1 mol of water weighs 18.015 gm and contains 6.023 × 10²³ molecules

From question, We have 7.15 × 10²⁴ molecules

Dividing we get (7.15 × 10 ²⁴) ÷ ( 6.023 × 10²³) = 11.871 molecules

Now, Weight of water = 11.871 × 18.015 = 213.85 which is nearer to option B

4 0
2 years ago
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Misha Larkins [42]

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