Because they didn’t go extinct at the same time
Answer:
427.5g
Explanation:
Given parameters:
Number of moles = 4.5moles
Unknown:
Mass of MgCl₂ = ?
Solution:
To solve this problem;
Mass = number of moles x molar mass
Molar mass of MgCl₂ = 24 + 2(35.5) = 95g/mol
Mass = 4.5 x 95 = 427.5g
Is there a picture? If not then it’s probably precipitate
Answer:
They were made in unstable conditions
Explanation: Im smarty pants
Answer:
2HCI + Na2S - > H2S + 2NaCl
Explanation:
2HCI + Na2S -> H2S + 2NaCl
before reaction: 2H, 2Cl, 2Na, 1S
after reaction: 2H, 2Cl, 2Na, 1S