Ask Question
20 August, 04:18

What is the formula mass of calcium sulfate dihydrate [CaSO4⋅2H2O]?

Be sure to add the water of hydration, which is the 2H2O part (water surrounding the calcium sulfate).

136 g/mol

154 g/mol

164 g/mol

172 g/mol

172 is correct

+3
Answers (1)
  1. 20 August, 05:25
    0
    Option d = 172 g/mol

    Explanation:

    Formula mass of [CaSO₄.2H₂O]

    Formula mass = 40.078 + 32.065 + 4*16 + 4 + 16*2

    Formula mass = 40.078 + 32.065 + 64 + 4 + 32

    Formula mass = 172.143 g/mol

    so, 172 g/mol is the correct answer.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “What is the formula mass of calcium sulfate dihydrate [CaSO4⋅2H2O]? Be sure to add the water of hydration, which is the 2H2O part (water ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers