Respuesta :

Answer:

[tex]3\text{ regular strength pills}[/tex]

Explanation:

Here, we want to get the number of regular strength pills of ibuprofen

To get this,we firstly need to get the number of moles

We can get this by dividing this value by the number of molecules in 1 mole which is:

[tex]6.02\text{ }\times10^{23}[/tex]

Mathematically, we have this as:

[tex]\frac{1.75\times10^{21}}{6.02\times10^{23}}\text{ = 0.00291}[/tex]

From earlier calcuations, 1 pill of regular strength ibuprofen contains 0.000963 moles

The number of pills that will contain overall 0.00291 moles will be:

[tex]\frac{0.00291}{0.000963}\text{ = 3 pills}[/tex]