PERHITUNGAN GRAVIMETRI CuSO4

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Sofira

V. Hasil Pengamatan

Berat Cawan Berat Cawan Setelah
Berat Berat
Kosong di Oven
Sampel Sampel Ket.
Kel (gram) (gram) a-b x
[a] + Cawan Cawan
Cawan + Sampel
I II (gram) (gram)
Sampel [b]
1-3 4,7399 4,7405 2,0004 6,7409 6,1773 1,4368 0,5636 3,4758 Alumunium
5-6 4,9524 4,9510 1,9997 6,9507 6,3776 1,4266 0,5731 3,5597 Alumunium
8–10 4,9207 4.9189 2,0008 6,9197 6,3577 1,4388 0,562 3,4612 Alumunium
2-4 - 9,7895 2,0105 11,8 11,0013 1,2118 0,7987 5,8404 Porselen
7–9 - 9,5848 2,0215 11,6063 10,80 1,2152 0,8063 5,8794 Porselen

Perhitungan
1. Kelompok 1-3
Berat cawan+ sampel

Berat sampel setelah di oven (b)

a–b

x

2. Kelompok 5 – 6
Berat cawan+ sampel

Berat sampel setelah di oven (b)

a–b

x

3. Kelompok 8 – 10
Berat cawan+ sampel

Berat sampel setelah di oven (b)

a–b

x

4. Kelompok 2 - 4
Berat cawan+ sampel

Berat sampel setelah di oven (b)

a–b

x

5. Kelompok 7 - 9
Berat cawan+ sampel

Berat sampel setelah di oven (b)

a–b

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PERHITUNGAN GRAVIMETRI CuSO4

1. V. Hasil Pengamatan Berat Cawan Berat Cawan Setelah Berat Berat Kosong di Oven Sampel Sampel Ket. Kel (gram) (gram) a-b x [a] + Cawan Cawan Cawan + Sampel I II (gram) (gram) Sampel [b] 1-3 4,7399 4,7405 2,0004 6,7409 6,1773 1,4368 0,5636 3,4758 Alumunium 5-6 4,9524 4,9510 1,9997 6,9507 6,3776 1,4266 0,5731 3,5597 Alumunium 8–10 4,9207 4.9189 2,0008 6,9197 6,3577 1,4388 0,562 3,4612 Alumunium 2-4 - 9,7895 2,0105 11,8 11,0013 1,2118 0,7987 5,8404 Porselen 7–9 - 9,5848 2,0215 11,6063 10,80 1,2152 0,8063 5,8794 Porselen Perhitungan 1. Kelompok 1-3 Berat cawan+ sampel Berat sampel setelah di oven (b) a–b x 2. Kelompok 5 – 6 Berat cawan+ sampel

2. Berat sampel setelah di oven (b) a–b x 3. Kelompok 8 – 10 Berat cawan+ sampel Berat sampel setelah di oven (b) a–b x

3. 4. Kelompok 2 - 4 Berat cawan+ sampel Berat sampel setelah di oven (b) a–b x 5. Kelompok 7 - 9 Berat cawan+ sampel Berat sampel setelah di oven (b) a–b

4. x

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