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Goshia [24]
3 years ago
13

If element X has 52 protons, how many electrons does it have?

Chemistry
2 answers:
olchik [2.2K]3 years ago
7 0
Element x will have 52 electrons
lukranit [14]3 years ago
6 0
Element X will have 52 electrons.

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How many grams of H3PO4 are in 175mL of a 2.50M solution of H3PO4?
solmaris [256]
<span>(0.1875 moles)(98.004 g/mole) = 18.37575 g </span>
<span>In correct number of significant figures: 18.4 </span>
5 0
3 years ago
Read 2 more answers
Determine the empirical and molecular formula for chrysotile asbestos. Chrysotile has the following percent composition: 28.03%
Mariulka [41]

The empirical and molecular formula : Mg₃Si₂H₂O₈ and Mg₆Si₄H₄O₁₆

<h3>Further explanation</h3>

Given

28.03% Mg, 21.60% Si, 1.16% H, and 49.21% O

Required

The empirical and molecular formula

Solution

Mol ratio : Mg : Si : H : O =

\tt \dfrac{28.03}{24}\div \dfrac{21.6}{28}\div \dfrac{1.16}{1}\div \dfrac{49.12}{16}\\\\1.17\div 0.771\div 1.16\div 3.07\\\\1.5\div 1\div 1.5\div 4\\\\3\div 2\div 2\div 8

So empirical formula :

\tt Mg_3Si_2H_2O_8

(Emprical formula)n=molecular formula

(Mg₃Si₂H₂O₈)n=520.8

(24.3+28.2+2.1+8.16)n=520.8

(258)n=520.8⇒n=2

The molecular formula : Mg₆Si₄H₄O₁₆

3 0
3 years ago
When will Le Chatelier's principle come into effect?
frutty [35]
The answer is B, i have the same class on plato. the principal only comes into effect when the equilibrium is disturbed 
7 0
4 years ago
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Free radicals are highly reactive in the body either by acting to remove an electron from another molecule ( ____________ ), or
Ilia_Sergeevich [38]

Answer:

(electrophile), (nucleophile)

4 0
2 years ago
The answers to the worksheet
Shtirlitz [24]

An arithmetical operator used for converting a quantity expressed in a set of unit into an equivalent in another set of units are known as conversion factor.

The base SI units for length is meter, m.

The conversion of m to other relevant units are as:

1 m = 100 cm

1 m = 1000 mm

So, 1 cm = 10 mm

Now converting the given units as:

1a.  

Since, 1 cm = 0.01 m

So, 995 cm = 9.95 m

2a.

Since,  1 cm = 10 mm

So,  0.5 cm = 5 mm

3a.

2.79 cm = 27.9 mm

4a.

Since, 1 mm = 0.1 cm

So, 718 mm = 71.8 cm

5a.

36.6 cm = 366 mm

6a.

Since, 1 m = 100 cm

So, 3.6 m = 360 cm

7a.

51 mm = 5.1 cm

8a.

29 mm = 2.9 cm

9a.

32 mm = 3.2 cm

10a.

Since,  1 cm = 10 mm

So,  38.8 cm = 388 mm

1b.

Since,  1 mm = 0.1 cm

So,  209 mm = 20.9 cm

2b.

Since,  1 cm = 0.01 m

So,  862 cm = 8.62 m

3b.

36 mm = 3.6 cm

4b.

497 mm = 49.7 cm

5b.

134 cm = 1.34 m

6b.

3.1 cm = 31 mm

7b.

1.28 m = 128 cm

8b.

19.35 cm = 193.5 mm

9b.

0.4 m = 40 cm

10b.

1.87 m = 187 cm

3 0
3 years ago
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