Answer:
no, amu of carbon is 12 . if it changes the element will change
An igneous rock is the answer :)
The mass number of aluminium hydroxide is 78 thus, the number of moles in 0.745 g is:
no. of moles= mass/ RFM
= 0.745/78
=0.00955moles
Therefore the 0.00955 moles should be in the 35.18 ml
therefore 1000ml of the solution will have:
(0.00955ml×1000ml)/35.18
=0.2715moles
The solution will be 0.27M hydrochloric acid
10.) id go for a more comfortable seat then a uncomfortable seat because i dont want to b uncomfortable riding my bike but if u like to stand when u ride a bike than a uncomfotable seat cuz u wouldnt have to seat on it that much since u stand when u ride a bike