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max2010maxim [7]
3 years ago
5

How many total atoms are in one mole of ammonia

Chemistry
1 answer:
gtnhenbr [62]3 years ago
7 0

12 g of carbon-12 contains 6.022 x 1023 atoms.

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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

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2 years ago
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When an atom loses an electron, we say that the atoms was ____________________.
arlik [135]

Answer:

However, if something happens to make an atom lose or gain an electron then the atom will no longer be neutral.

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A charged atom is called an ion. When an atom loses electron(s) it will lose some of its negative charge and so becomes positively charged. A positive ion is formed where an atom has more protons than electrons.

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