Breaking News

Jika 25 gram CaCO3 direaksikan dengan asam klorida menurut reaksi: CaCO3(s) + HCl(aq) → CaCl2(aq) + H2O(l) + CO2(g) (belum setara) Berapa liter gas CO2 yang dihasilkan jika diukur pada: a. tekanan 1 atm dan suhu 0°C

Jika 25 gram CaCO3 direaksikan dengan asam klorida menurut reaksi:
CaCO3(s) + HCl(aq) → CaCl2(aq) + H2O(l) + CO2(g) (belum setara)
Berapa liter gas CO2 yang dihasilkan jika diukur pada:
a. tekanan 1 atm dan suhu 0°C

Jawaban yang benar adalah 5,59 L.

Stoikiometri adalah perhitungan kimia meliputi massa, mol, volume dan jumlah partikel zat yang terlibat dalam reaksi kimia. Stoikiometri berasal dari bahasa Yunani “stoicheion” yang berarti elemen dan “metron” yang berarti mengukur.

Persamaan gas ideal adalah persamaan yang merepresentasikan hubungan antara tekanan dan volume suatu gas dengan temperatur dan jumlah mol gas itu sendiri.

Menentukan mol CaCO3
n = m/Mr
n = 25 gram / 100 gr/mol
n = 0,25 mol

Mentukan volume gas CO2 menggunakan rumus gas ideal:
V = n × R × T / P
V: Volume
n: mol (mol)
R: Tetapan gas ideal (L atm/mol K) | 0,082 L atm/mol K
T: Suhu (Kelvin) | 273 + 0°C = 273K
P: Tekanan (atm)

V = n × R × T / P
V = 0,25 mol × 0,082 L.atm/mol K × 273 K/ 1 atm
V = 5,59 L.

Dengan demikian, volume gas CO2 yang dihasilkan sebesar 5,59 L.

Rekomendasi lainnya :

Baca Juga :  Complete the sentences with a form of the verb in parentheses. Three hundred and fifty years ago, people (1. make) /made/ their own clothes. They (2. have, not) _____ machines for making clothes. There (3. be, not) _____ any clothing factories. People (4. tear) _____ homemade clothes that were sewn by hand. Today, very few people (5. make) _____ their own clothes. Clothing (6. come) _____ ready-made from factories. People (7. buy) _____ almost all their clothes from stores. The modern clothing industry (8. be) _____ international. As a result, people from different countries often (9. wear) _____ similar clothes. For example, people in many different countries throughout the world (10. wear) _____ jeans and t-shirts. However, some regional differences in clothing still (11. exist) _____ for instance, people of the Arabian deserts (12. wear) _____ loose, flowing lobes to protect themselves from the heat of the sun. In parts of Northern Europe, fur hats (13. be) _____ common in the winter. In the future, there (14. be, probably) _____ fewer and fewer differences in clothing. People throughout the world (15. wear) _____ clothes from the same factories. (16. We all, dress) _____ in the future? TV shows and movies about the future often (17. show) _____ everybody in a uniform of some kind. What (18. you, think) _____? Number 15
IlmuanTekno
© Copyright 2025, All Rights Reserved