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lesya [120]
3 years ago
6

List the number of each type of atom on the right side of the equation pb(no3)2(aq)+2nacl(aq)→pbcl2(s)+2nano3(aq)

Chemistry
2 answers:
Lena [83]3 years ago
6 0
 The  number   of each  type  of atom  on the  right  side  of the equation

that is

Pb(No3)2(aq)  + 2 NaCl(aq)  =     PbCl2(s)   +2NaNo3(aq)


are    1  atom  of  Pb
          2 atoms of   N
          6 atoms  of    O
          2  atoms  of  Na
           2  atoms  of Cl


Explanation
In  Pb(NO3)2  there  is  1 x1=1  atoms  of  Pb,   1x2 =2  atoms   of N  and   3x2 =6  atoms of  O

In   NaCl  there is    2 x1= 2  atoms of Na  and  2 x1=2  atoms  of  Cl
Savatey [412]3 years ago
4 0
<span>Answer:

Pb: 1 atom

Cl: 2 atoms

Na: 2 atoms

N: 2 atoms

O: 6 atoms


Explanation:


1) RighT side of the equation: PbCl₂(s)+2NaNO₃(aq)
</span><span />

<span>2) The coefficients and subscripts tells the number of atoms in each chemical formula by this convention:
</span><span />

<span>i) The coefficient before the compound (chemical formula) applies to all the elements to the right (in the very chemical formula).


</span><span>ii) The subscripts to the right of the element apply only to the element to which it is subscripted.</span>
<span /><span>
ii) If there are parenthesis the subscrpts apply to all the elements inside the parenthesis.
</span><span />

<span>3) With that, let's see each compound (chemical formula):
</span><span />

<span>i) Pb Cl₂ (s): there are two kind of atoms, Pb and Cl.
</span><span />

<span>Pb does not have any subscriPT, which is interpreted as subscript 1, so that is 1 atom of Pb.
</span><span />

<span>Cl₂ means 2 atoms of chlorine
</span><span />

<span>ii) 2NaNO₃:
</span><span />

<span>Na: 2 atoms (because the coefficient)

N: 2 atoms (because the coefficient)

</span><span>O: 6 atoms ( 2 x 3)
</span><span>
</span>
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