Question
The table shows the relative atomic masses of some common elements. Use this information to work out the relative formula mass of hydrochloric acid. Give your answer to 1 decimal place. Enter a number
Answer
3.4
(257 Votes)
Ffion
Advanced · Tutor for 1 years
Answer
36.5
Explanation
To find the relative formula mass of hydrochloric acid (HCl), we need to add the relative atomic masses of hydrogen and chlorine together.From the given table, the relative atomic mass of hydrogen(H) is 1 and the relative atomic mass of chlorine(Cl) is 35.5. Summing these two gives us the relative formula mass of hydrochloric acid, expressed to one decimal place.