Mathematics, 22.02.2021 21:40 xItsMatt9802

900mL of 35% sulphuric acid is added to 42% sulphuric acid to create 39% sulphuric acid? How much 42% sulphuric acid was used? (show complete linear systems solutions-decimals may be used)

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900mL of 35% sulphuric acid is added to 42% sulphuric acid to create 39% sulphuric acid? How much 42...