Question

please answer this question it is so much important for me please please please

Answer 1

*Number of moles = Mass ÷ Molar mass

i) 23.4g of potassium (K)

23.4g ÷ 39 = 0.6 moles

ii) 100g of argon (Ar)

100g ÷ 40 = 2.5 moles

iii) 14.2g of chlorine (Cl)

14.2g ÷ 35.5 = 0.4 moles

Answer 2

1. 23.4/39=0.6moles

2. 100/40=2.5moles

3. 14.2/35.5=0.4 moles