SarajaneV778202 SarajaneV778202

28-10-2022
Mathematics

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4.In 100 mL of a solution there are 36 g. How many mg will 7.5 mL contain?

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MikinleyR152065 MikinleyR152065

28-10-2022

[tex]\begin{gathered} If\text{ 100mL contains 36g} \\ \text{Therefore, 1mL will contain }\frac{36}{100}g=0.36g \end{gathered}[/tex]

Thus;

[tex]7.5mL\text{ will contain 7.5}\times0.36g=2.7g[/tex]

Expressing 2.7g to milligram(mg); we have:

[tex]\begin{gathered} 2.7g=2.7\times1000mg \\ \Rightarrow2700mg \end{gathered}[/tex]

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