2 ta suv molekulasi necha gramm keladi?

  1. 1,204 × 10²⁴
  2. 36
  3. 1,1 × 10⁻²¹
  4. 6 × 10⁻²³

📝 Detailed explanation

1 ta suv molekulasining massasi: M(H₂O) = 18 g/mol.
1 moldagi molekulalar soni = 6,02 × 10²³ (Avogadro soni).
1 ta H₂O molekulasining massasi = 18 / (6,02 × 10²³) = 2,99 × 10⁻²³ g.
2 ta molekula massasi = 2 × 3 × 10⁻²³ = 6 × 10⁻²³ g.
15 / 30 (50%)
Question 15 of 30
← Previous → Next Space — Show answer

🎯 Take a test on the topic «7-sinf Tabiiy fanlar 2025 AL-XORAZMIY nomidagi olimpiadaning HUDUDIY bosqichi»

This topic contains 30 questions. Test your knowledge!

🔐 Log in to take the test

📚 All tests by subject «Tabiiy fanlar (Science)»

View all collections and topics in Tabiiy fanlar (Science)

Go to subject →

Report an error

Answers are unavailable

This test collection is closed. To get full access, please purchase 🌟 premium

Contact by email