question 1 (1 point) what is the molar mass of potassium bromide? a) 119.00 g/mol b) 49.91 g/mol c) 39.10…
question 1 (1 point) what is the molar mass of potassium bromide? a) 119.00 g/mol b) 49.91 g/mol c) 39.10 g/mol d) 158.10 g/mol
Answer
Explanation:
Step1: Identify elements in potassium bromide
Potassium bromide is KBr, with potassium (K) and bromine (Br).
Step2: Find molar - masses of elements
The molar mass of K is approximately 39.10 g/mol, and the molar mass of Br is approximately 79.90 g/mol.
Step3: Calculate molar mass of KBr
Molar mass of KBr = molar mass of K+ molar mass of Br = 39.10 g/mol + 79.90 g/mol = 119.00 g/mol.
Answer:
A. 119.00 g/mol