Answer:
Alkaline is a substance that is over the pH of 7. an acid is a substance that is lower than the pH of 7
When universal indicator is put into an alkaline substance it will turn blue/purple/black. If it is an acid the substance will turn red/orange/yellow
The same will happen if litmus paper is used instaed. If the paper turns blue/purple/black it means that the substance is an alkaline. If the paper turns red/orange/yellow it means that the substance is an acid
If the substance or the litmus paper turns green it means that it is neutral (It has the pH of 7)
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please mark brainliest
1500 just move the decimal to the right three times because its a positive <span />
Unit of measurement
ex: ft, in, etc.
Unit of M is also mole/L, where mole is the moles of solute and L is the volume of the solution. The latter is given: 158 mL or 0.158 L. So we need to find out the moles of NH4Br.
Moles of NH4Br = Mass of NH4Br/molar mass of NH4Br = 17.0g/(14+1*4+79.9)g/mol = 0.1736 mole.
So, the molarity of the solution = 0.1736mole/0.158L = 1.10 mole/L = 1.10 M
