Question

100ml 2M H2 SO4 and 100ml 1M HCl are mixed and then diluted to a litre with distilled water. The pH of the resulting solution is

Answer 1

AND SO …

[H3O+]=0.100∙L×1.0∙mol∙L−1+0.100∙L×2.0∙mol∙L−1500∙mL×10−3L∙mL−1=0.600∙mol∙L−1

But pH=−log10[H3O+]=+0.22 .