What is the volume , in cubic meters, of a rectangular solid that is 0.25 m long and 6.1 m wide and 4.9 m high
1 answer:
To find the volume, we must first make sure that each of the dimensions is in the correct units before we make the calculation. Since we want cubic meters, and every dimension is in meters, we are good to go in this case.
So to solve for the volume, we must multiply each of the sides together:
If the answer must be in significant figures, then we know that we must only use two significant figures in this case, and so the volume would then be .
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<h3>Answer:</h3>
427 g Mo
<h3>General Formulas and Concepts:</h3><u>Chemistry</u>
<u>Atomic Structure</u>
- Reading a Periodic Table
- Using Dimensional Analysis
- Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
<u>Math</u>
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
<u>Step 1: Define</u>
2.68E24 atoms Mo or 2.68 × 10²⁴ atoms Mo
<u>Step 2: Identify Conversions</u>
Avogadro's Number
Molar Mass of Mo - 95.94 g/mol
<u>Step 3: Convert</u>
<u /> = 426.966 g Mo
<u>Step 4: Check</u>
<em>We are given 3 sig figs. Follow sig fig rules and round.</em>
426.966 g Mo ≈ 427 g Mo