Dpp. 1- Mole Concept- Mole_tables
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CHEMISTRY Q1. In 49 gm of H 2 SO 4 Calculate : n = w/M W = (n) (M) (n) (N A ) (n)(N A ) (n) (N A ) Mols Wt. in gms Atoms molecules Ions H 2 SO 4 H H 2 S O O 2 H + SO 2 4 Total number of atoms = Q2. In 11.2 litre SO2 gas at NTP calculate n = w/M W = (n) (M) (n) (N A ) (n)(N A ) (n) (N A ) Mols Wt. in gms Atoms molecules Ions SO 2 S O O 2 O 2– Total number of atoms = Q3. If Ca(NO 3 ) 2 contains 28 gm nitrogen. Then calculate the whole table as previous N = w/M W = (n) (M) (n) (N A ) (n)(N A ) (n) (N A ) Mols Wt. in gms Atoms molecules Ions Ca N O O 2 NO 3 -- Total number of atoms = Q4. In 10 22 molecules of CuSO 4 . H 2 O. Then calculate the whole table as previous N = w/M W = (n) (M) (n) (N A ) (n)(N A ) (n) (N A ) Mols Wt. in gms Atoms molecules Ions Cu S O O 2 H 2 O Total number of atoms =
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Transcript of Dpp. 1- Mole Concept- Mole_tables
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C H E M I S T R Y
Q1. In 49 gm of H2SO4
Calculate :
n = w/M W = (n) (M) (n) (NA) (n)(NA) (n) (NA)
Mols Wt. in gms Atoms molecules Ions
H2SO4
H
H2
S
O
O2
H+
SO 24
Total number of atoms =
Q2. In 11.2 litre SO2 gas at NTP calculate
n = w/M W = (n) (M) (n) (NA) (n)(NA) (n) (NA)
Mols Wt. in gms Atoms molecules Ions
SO2
S
O
O2
O2
Total number of atoms =
Q3. If Ca(NO3)2 contains 28 gm nitrogen. Then calculate the whole table as previous
N = w/M W = (n) (M) (n) (NA) (n)(NA) (n) (NA)
Mols Wt. in gms Atoms molecules Ions
Ca
N
O
O2
NO3--
Total number of atoms =
Q4. In 1022
molecules of CuSO4. H2O. Then calculate the whole table as previous
N = w/M W = (n) (M) (n) (NA) (n)(NA) (n) (NA)
Mols Wt. in gms Atoms molecules Ions
Cu
S
O
O2
H2O
Total number of atoms =
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Q5. In NaCl if there are 2NA Cl-- atoms, Then calculate the whole table as previous
N = w/M W = (n) (M) (n) (NA) (n)(NA) (n) (NA)
Mols Wt. in gms Atoms molecules Ions
Na
Cl
Na+
Cl--
Total number of atoms =
Q6. In H2SO4 if wt. of SO2
4
ions is 48 gm . Then calculate the whole table as previous
N = w/M W = (n) (M) (n) (NA) (n)(NA) (n) (NA)
Mols Wt. in gms Atoms molecules Ions
H2SO4
H
H2
S
O
O2
H+
SO 24
Total number of atoms =
Q7. In CaCl2 if there are NA Cl ions . Then calculate the whole table as previous
N = w/M W = (n) (M) (n) (NA) (n)(NA) (n) (NA)
Mols Wt. in gms Atoms molecules Ions
Ca
Cl
Cl2
Ca2+
Cl--
Total number of atoms =
Q8. In 122.5 g, Calculate the no. of each atoms in KClO3 and also Calculate the total number of atoms
N = w/M W = (n) (M) (n) (NA) (n)(NA) (n) (NA)
Mols Wt. in gms Atoms molecules Ions
K
Cl
O
Cl2
O2
Total number of atoms =
