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lora16 [44]
3 years ago
9

The diagram shows the electron arrangement in a molecule of ammonia, showing only outer

Chemistry
1 answer:
rusak2 [61]3 years ago
3 0

Answer:

Since this is old, im just gonna get these points, don't wan't them to go to waste lm.ao

Explanation:

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Calculate the molar mass of B(NO3)3 ?​
Stella [2.4K]

The molar mass of B(NO₃)₃ - Boron nitrate : 196.822 g/mol

<h3>Further explanation</h3>

In stochiometry therein includes  

<em>Relative atomic mass (Ar) and relative molecular mass / molar mass (M)  </em>

So the molar mass of a compound is given by the sum of the relative atomic mass of Ar  

M AxBy = (x.Ar A + y. Ar B)  

The molar mass of B(NO₃)₃ - Boron nitrate :

M B(NO₃)₃ = Ar B + 3. Ar N + 9.Ar O

M B(NO₃)₃ = 10.811 + 3. 14,0067 + 9. 15,999

M B(NO₃)₃ = 196.822 g/mol

7 0
2 years ago
Give the name of reaction in the<br> preparation of alkene from alcohol<br> compounds.
pickupchik [31]

Dehydration to alkenes!

3 0
3 years ago
Acidic solutions contain high concentrations of
finlep [7]

Answer:

hydrogen ions

Explanation:

because acid is the specie that have ability to donate proton or forming bond with electron pair

6 0
3 years ago
NaOH  + H2SO4 =
mariarad [96]
2NaOH+H_2SO_4\Rightarrow\ Na_2SO_4+2H_2O\\&#10;NaOH+HNO_3\Rightarrow\ NaNO_3+H_2O\\&#10;Cu(OH)_2+2HCl\Rightarrow\ CuCl_2+2H_2O\\&#10;Cu(OH)2+H_2SO_4\Rightarrow\ CuSO_4+2H_2O\\&#10;Cu(OH)_2+2HNO_3\Rightarrow\ Cu(NO_3)_2+2H_2O
3 0
3 years ago
A 7.2 L balloon at 2 atm of pressure has its pressure reduced to 0.5 atm. What is the new size of the balloon, in liters?
alexgriva [62]

Explanation:

using Boyles law: which shows the relationship between pressure and volume, when temperature Is kept constant

P1V1 = P2V2

2 x 7.2 = 0.5 x V2

14.4 = 0.5 x V2

V2 = 14.4/0.5 = 28.8 L

Hence the new size of the balloon in litres is 28.8

8 0
3 years ago
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