Naiva A
29 November 2023 05:13
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Naiva A
29 November 2023 05:13
Pertanyaan
berapa gram massa zat a. 3,0 mol CuSO4 b. 1,8 mol besi c. 3,0 mol NaCl
berapa gram massa zat
a. 3,0 mol CuSO4
b. 1,8 mol besi
c. 3,0 mol NaCl
3
1
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Bakwan G
01 Desember 2023 10:38
<p>Massa CuSO<sub>4</sub> = <strong>478,5 </strong>,massa Fe = <strong>100,8 gram</strong>, massa NaCl = <strong>175,5 gram</strong></p><p> </p><p><strong>Pembahasan :</strong></p><p>a. Mencari massa CuSO<sub>4 </sub>(Ar Cu = 63,5 , O = 16, S = 32)</p><p>Massa CuSO<sub>4</sub> = Mr CuSO<sub>4</sub> × mol CuSO<sub>4</sub></p><p>Massa CuSO<sub>4</sub> = ((Ar Cu × 1) + (Ar S × 1) + (Ar O × 4)) × 3,0</p><p>Massa CuSO<sub>4</sub> = ((63,5 × 1) + (32 × 1) + (16 × 4)) × 3,0</p><p>Massa CuSO4 = 159,5 × 3,0 = <strong>478,5 gram</strong></p><p> </p><p>b. Mencari massa besi (Ar Fe = 56)</p><p>Massa Fe = Ar Fe × mol Fe</p><p>Massa Fe = 56 × 1,8 = <strong>100,8 gram</strong></p><p> </p><p>c. Mencari massa NaCl (Ar Na = 23, Cl = 35,5)</p><p>Massa NaCl = Mr NaCl × mol NaCl</p><p>Massa NaCl = ((Ar Na × 1) + (Ar Cl × 1)) × 3,0</p><p>Massa NaCl = (23 + 35,5) × 3,0</p><p>Massa NaCl = 58,5 × 3,0 = <strong>175,5 gram</strong></p><p> </p><p>Selesai :)🙏</p>
Massa CuSO4 = 478,5 ,massa Fe = 100,8 gram, massa NaCl = 175,5 gram
Pembahasan :
a. Mencari massa CuSO4 (Ar Cu = 63,5 , O = 16, S = 32)
Massa CuSO4 = Mr CuSO4 × mol CuSO4
Massa CuSO4 = ((Ar Cu × 1) + (Ar S × 1) + (Ar O × 4)) × 3,0
Massa CuSO4 = ((63,5 × 1) + (32 × 1) + (16 × 4)) × 3,0
Massa CuSO4 = 159,5 × 3,0 = 478,5 gram
b. Mencari massa besi (Ar Fe = 56)
Massa Fe = Ar Fe × mol Fe
Massa Fe = 56 × 1,8 = 100,8 gram
c. Mencari massa NaCl (Ar Na = 23, Cl = 35,5)
Massa NaCl = Mr NaCl × mol NaCl
Massa NaCl = ((Ar Na × 1) + (Ar Cl × 1)) × 3,0
Massa NaCl = (23 + 35,5) × 3,0
Massa NaCl = 58,5 × 3,0 = 175,5 gram
Selesai :)🙏
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