Asked by Brookelynne Verrette on May 09, 2024
Verified
How many moles of material are in 74.5 g of KCl?
A) 1.0 mole
B) 2.0 moles
C) 0.5 moles
D) 74.5 moles
KCl
Potassium chloride, a metal halide salt composed of potassium and chlorine, used in medicine, food processing, and scientific applications.
Moles
A chemical unit of measure that denotes an amount of substance containing approximately 6.022 x 10^23 particles.
- Ascertain the number of moles in a substance by employing its mass, and conversely, calculate the mass using the mole quantity.
Verified Answer
ZK
Zybrea KnightMay 09, 2024
Final Answer :
A
Explanation :
The molar mass of KCl (potassium chloride) is approximately 74.5 g/mol. Therefore, 74.5 g of KCl corresponds to 1 mole of KCl.
Learning Objectives
- Ascertain the number of moles in a substance by employing its mass, and conversely, calculate the mass using the mole quantity.