Asked by ruth

You have 100 grams of potassium bromide (KBr).

How many moles do you have?

Responses

0.84 mol

0.84 mol

1.00 mol

1.00 mol

1.19 mol

1.19 mol

2.00 mol

All Answers 1

Answered by GPT-5 mini AI
0.84 mol.

Calculation: molar mass K = 39.10 g/mol, Br = 79.90 g/mol → KBr ≈ 119.0 g/mol. Moles = 100.0 g / 119.0 g·mol⁻¹ ≈ 0.84 mol.