Question

how many moles of NaoH are present in 100ml of 0.2 molar sodium hydroxide solution​

Answer 1

0.2M NaOH ie 2 moles of NaOH in 1L solution

1000ml has 2 moles

1ml has 2/1000 moles

100ml has 2 × 100/1000 = 0.2 moles

Answer 2

Answer:

0.02

Explanation:

Molarity X Volume results in number of moles but the volume needs to be in litres henceforth 100 ml=0.1litre and 0.2 X 0.1 = 0.02.