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There are 8 boys, 12middle schoolers and 8 girls. what is the ratio of girls to boys?16/12=4:3
divide both sides by 4
1 answer
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How many ml of 0.2M NaH2PO4 should b added to 40 mL of 0.1M Na3PO4 to make the buffer pH 7.2.
Ka1:1.1 x 10^-2 Ka2:7.5 x 10^-8
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