GCSE chemistry help, calculations..?

D

daffodil

New member
What volume of HCl with a concentration of 18.2g/dm³ is needed to remove 5.0g if limescale (CaCO3)

acid + carbonate --> salt +carbon dioxide + water

so far ive made an balanced an equation:

2HCl + CaCO3 --> CaCl2 + CO2 + H20

also worked out the relative atomic masses:
2HCl- 73
CaCO3- 100

now what do i do from here to find the volume of Hcl with the concentration of 18.2..?

thankss for any help :)
 
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