1. write the empirical formulas for a. H202 b. Al2(SO4)3 c.C4H10 the numbers for

Question

1. write the empirical formulas for
  
a. H202
b. Al2(SO4)3
c.C4H10

the numbers for the above problem are supposed to be placed below the letters not next to them.

2.white the chemical formulas for
a. Manganese(III) chloride
b. potassium carbonate
c.nitrogen gas

3. write the formulas of the ions which would be produced when the following substances are dissolved in water.

a. (NH4)2SO4
b. HI
C. HNO3
d.Ba(C2H3O2)2
e. NaBr
note: the numbers in the above problem should be placed below not next to the letters.

4. Complete and Balance the following reactions in water.

a) AgNO3 + BaCl2 ---->
b)Ni (C2H3O2)2 + LiOH ----->
c) K2CO3 + CaBr2 ------>

Note: the numbers should not be next to the letters they should be placed below.

5. when barium and ammonium carbonate are mixed a precipitate of barium carbonate is formed. write the total ionic and the net ionic equations for this reaction.

Explanation / Answer

1)

a) HO

b) Al2(SO4)3

c) C2H5

2)

a) MnCl3

b) K2CO3

c) N2

3)

a) (NH4)2SO4 + H2O ---> 2 NH4+ + SO42-

b) HI + H2O ------> H3O+ + I-

c) HNO3 + H2O ------> H3O+ +NO3-

4)

a) 2AgNO3 + BaCl2 ----> 2AgCl + Ba(NO3)2

b) Ni (C2H3O2)2 + 2LiOH -----> Ni(OH)2 + 2 CH3CHOO-Li+

c) K2CO3 + CaBr2 ------> CaCO3 + 2KBr

5) here you didnot mention the counter ion of Ba

total ionic equation

Ba2+ + 2NH4+ + CO32- --> BaCO3(s) + 2NH4+

net ionic equation

Ba2+ + CO32- --> BaCO3(s)

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