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mihalych1998 [28]
3 years ago
13

What mineral is not a structural component of bone?

Chemistry
1 answer:
Pachacha [2.7K]3 years ago
5 0
D , because I just know lol .
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How many grams are there in 1.1 x 1027 molecules of water (H2O)?
Nezavi [6.7K]

Answer:

C) 3.3 x 104 grams

Explanation:

1 mole of water contains 6.02 × 10^23 atoms

1.1 × 10^27 atoms will contain;

1.1 × 10^27 ÷ 6.02 × 10^23

= 0.1827 × 10^( 27 - 23)

= 0.1827 × 10^(4)

= 1.827 × 10³ moles of water.

To convert mole to mass in grams, we use the formula;

mole (n) = mass (m) ÷ molar mass (MM)

Molar mas of water (H2O) = 1(2) of H + 16 of O = 18g/mol

mole = mass/molar mass

1.827 × 10³ = mass / 18

mass = 1.827 × 10³ × 18

mass = 32.886 × 10³

mass = 3.286 × 10⁴

mass = 3.3 × 10⁴ grams

6 0
2 years ago
Idk how to do this, if you know the answer plz explain
KatRina [158]
The temperature is constant which makes it the independent variable
7 0
3 years ago
Read 2 more answers
In which of the following processes will delta S be negative?<br><br> Select one from above
Alona [7]

Answer:

CO2 (s) -->Co2 (g) will be the answer

3 0
3 years ago
your mother, who is a self-described chocolate addict, phones you. she has read in the newspaper a summary of a research study s
son4ous [18]

Answer:

This matters because you need to know if this site is crediable

Explanation:

You need to know this because you need to know who runs this site and if it was approved by anything crediable.

7 0
2 years ago
(1.7 x 10-5 m) x (3.72 x 10-4 m) *
rosijanka [135]

Answer:

The answer will be 1992/5 or 398.4

7 0
3 years ago
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