Contour interval. Noted on the map legend.
i am there but i can't talk now
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but sorry!!
<h3>
Answer:</h3>
0.342 mol Ca
<h3>
General Formulas and Concepts:</h3>
<u>Math</u>
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Chemistry</u>
<u>Atomic Structure</u>
<u>Stoichiometry</u>
- Using Dimensional Analysis
<h3>
Explanation:</h3>
<u>Step 1: Define</u>
13.7 g Ca
<u>Step 2: Identify Conversions</u>
Molar Mass of Ca - 40.08 g/mol
<u>Step 3: Convert</u>
- Set up:

- Multiply/Divide:

<u>Step 4: Check</u>
<em>Follow sig fig rules and round. We are given 3 sig figs.</em>
0.341816 mol Ca ≈ 0.342 mol Ca
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