sastav tvari empirijska i molekulska formula

7/25/2019 Sastav Tvari Empirijska i Molekulska Formula

1/18
http://find/http://goback/


2/18

O

N

H

H

SO

H

PO

CuSO

H

O

NaCl

Na Cl

NaCl Na

Cl :
http://find/


3/18

H

SO
http://goforward/http://find/


4/18

W

W(A) = m(A)

m ;

W(A)

m(A)

m
http://find/


5/18

.

%

.

%

.

%

. gcm

W(masti) = . % = . W(bjelan.) = . % = . W(secera) = . % = . W(H

O) =? m(H

O) =?


6/18

%

W(H

O) = % ( . % + . % + . %) = . % = .

(mlijeka) = m(mlijeka)

V(mlijeka)

m(mlijeka) = (mlijeka)V(mlijeka)

m(mlijeka) = . g

cm cm = g


7/18

W(vode) = m(vode)

m(mlijeka) m(vode) =W(vode) m(mlijeka)

m(vode) = . g= . g

.

g
http://find/


8/18

%

kg

m(Fe) = kgW(Fe) = % = . m(rude) =?

W(Fe) = m(Fe)m(rude)

m(rude) = m(Fe)W(Fe)

= kg

.

= kg
http://find/


9/18

U

O

. % U

O

t

W(U

O

) =

.

% =

.

m(rude) = t= kgm(U

O

) =?

W(U O ) = m(U

O

)

m(rude) m(U O ) =m(rude) W(U O )

m(U

O

) = kg . = . kg
http://find/


10/18

ma mm

W(A) =j(A) ma

mm;

j(A)

ma =Ar u mm =Mr u

W(A) =j(A) Ar(A)

Mr
http://find/


11/18

W(A)

j(A) =W(A) Mr

Ar(A);

Ar

Mr
http://find/


12/18

j(H) =

j(O) = W(H) =? W(O) =?

W(H) =j(H)Ar(H)

Mr=

.

.

= . = . %

W(O) =j(O)Ar(O)

Mr=

.

= .

=

.

%
http://find/


13/18

H

PO

j(H) = j(P) = j(O) =

W(H) =? W(P) =? W(O) =?m(H) =? m(P) =? m(O) =?
http://find/


14/18

W(H) =j(H) Ar(H)Mr

= .

= . = . %

W(P) =j(P) Ar(P)

Mr=

= . = . %

W(O) =j(O) Ar(O)Mr

=

= . = . %

W(A) =

m(A)

m m(A) =W(A) m

m(H) = . g, m(P) = . g, m(O) = . g


15/18

Al . g Al

O

m(Al

O

) = .

g

m(Al) =?

W(Al) =j(Al) Ar(Al)

Mr=

= .

m(Al) =W(Al) m(Al

O

) = .

g


16/18

.

t Al

O

+H

O . t Al

Al Al

O

+H

O

Al

W(Al) =j(Al) Ar(Al)

Mr(Al O + H O)=

= .

Al . t

m(Al) =W(Al) m(Al

O

+ H

O) = . t
http://find/


17/18

I =m(stvarno)

m(teoretsko)=

. t

.

t=

.

Al

O

+

H

O

I m(rude) = . . t= . t

m(jalovine) = .

t

.

t=

.

t
http://find/


18/18

sastav tvari empirijska i molekulska formula

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