<h3>
Answer:</h3>
3.03 × 10²⁵ formula units KCl
<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>Unit 0</u>
- Reading a Periodic Table
- Writing Compounds
<u>Atomic Structure</u>
- Using Dimensional Analysis
- Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
<h3>
Explanation:</h3>
<u>Step 1: Define</u>
50.3 mol KCl (Potassium chloride)
<u>Step 2: Identify Conversions</u>
Avogadro's Number
<u>Step 3: Convert</u>
<u />
= 3.02907 × 10²⁵ formula units KCl
<u>Step 4: Check</u>
<em>We are given 3 sig figs. Follow sig fig rules and round.</em>
3.02907 × 10²⁵ formula units KCl ≈ 3.03 × 10²⁵ formula units KCl
The mass is 224 grams of NaOH
Answer:
What percent of physically assaulted or abused adolescents reported lifetime substance abuse or dependence? Select one:
d. 25 percent
Explanation:
The study performed at the National Institute of Justice in 2003, called "Youth Victimization: Prevalence and Implications", Washington, D.C., U.S. Department of Justice, showed a rate of lifetime substance abuse or dependence at approximately 25 percent for adolescents who had been physically assaulted or abused. This compares to a rate of approximately six percent for adolescents who had not been physically assaulted or abused.
1500 mm of copper wire are produced by converting 150 cm of copper wire.
The following is the centimeter to millimeter conversion factor: 1 cm is equivalent to 10 mm.
Consequently, 150 cm will equal 150 x 10 = 1500 mm.
- The multi-step process of unit conversion involves multiplying or dividing by a numerical factor.
- Unit conversion is the process of converting the measurement of a given amount between various units, often by multiplicative conversion factors that alter the value of the measured quantity without altering its effects.
- Unit conversion is a multi-step procedure that involves adding, subtracting, multiplying, or dividing by a conversion factor.
- The process may also require the selection of the correct number of significant digits, and rounding.
To learn more about unit conversion visit:
brainly.com/question/11543684
#SPJ9