Question

) Calculate the mass in grams of 0.4 mole of water
(at mass of H=1uO=16u)

Answer 1

Answer:

Here is your answer

-------------------------------

1 mole => G - Molecule of water

_______________

\begin{gathered}we \: know \: that \: \\ \end{gathered}

weknowthat

-------- 1 Mole of water => 18 G -------

===================================================

According to question, there are 0.4 Moles

so,

\begin{gathered} = > 0.4 \times 18 \\ = > 7.2\end{gathered}

=>0.4×18

=>7.2