Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Use a colorimeter or a spectrophotometer when you need to measure hardness of water, where the concentration is expected to be less than 4 mg/L as CaCO3
1 5 1
which 1
wat i have asked
thats what l answered
still more questions i have given
By using calorimeter or spectrophotometer to measure the hardness of water
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts