A sample of 0.195g of potassium was added to 500cm3 of cold water. When the reaction was finished, 100cm3 of 0.100 mol/dm3 hydrochloric acid was added to form solution X.
i. Calculate the number of moles of hydroxide ions formed when the potassium was added to water.
ii. Calculate the number of moles of hydrogen ions in 100 cm3 of 0.100 mol/dm3 hydrochloric acid.
iii. Write a balanced equation for the neutralization reaction.
iv. Suggest a pH value for solution X. Explain your answer.
