What is the molar mass of caso4?
2 answers:
Answer:
136.15 g/mol is the molar mass of calcium sulfate.
Explanation:
Molar mass is defined as a total sum of atomic masses of all and each type of atoms constituting the molecule.
Atomic mass of calcium = 40.08 g/mol
Atomic mass of sulfur = 32.07 g/mol
Atomic mass of oxygen = 16.00 g/mol
Molar mass of calcium sulfate, () :
136.15 g/mol is the molar mass of calcium sulfate.
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Answer:
0.0917 mol Co(CrO₄)₃
General Formulas and Concepts:
<u>Chemistry - Atomic Structure</u>
- Reading a Periodic Table
- Using Dimensional Analysis
Explanation:
<u>Step 1: Define</u>
37.3 g Co(CrO₄)₃
<u>Step 2: Identify Conversions</u>
Molar Mass of Co - 58.93 g/mol
Molar Mass of Cr - 52.00 g/mol
Molar Mass of O - 16.00 g/mol
Molar Mass of Co(CrO₄)₃ - 58.93 + 3(52.00) + 12(16.00) = 406.93 g/mol
<u>Step 3: Convert</u>
<u /> = 0.091662 mol Co(CrO₄)₃
<u>Step 4: Check</u>
<em>We are given 3 sig figs. Follow sig fig rules and round.</em>
0.091662 mol Co(CrO₄)₃ ≈ 0.0917 mol Co(CrO₄)₃