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Calculate Mr(NaOH): Mr(NaOH) = 23 + 16 + 1 = 40, Calculate NaOH moles: n= m/Mr, n= 8.0/40, n= 0.2 moles, Calculate NaOH concentration:(converting from cm³ to dm³ by /1000) c= n/v, c=...

i)STEP 1: Make 2 brackets and put an x in each one: (x )(x )
STEP 2: Find 2 numbers when multiplied together make 12 and when added together they make -7
Multiples of 12:
1 x ...

It is fundamental to understand that the execution of Charles I was not a pre-meditated act; while the pressures that drove the regicide were present throughout the civil wars, any understanding of the pe...

Students should be led to understand that they can achieve top grades by coming down on either side of the argument - indeed, the surest path to a poor result in this situation is to equivocate and...

(X-3)(x-5)=0Use F.O.I.LFirst x multiplied by x gives x²outer x multiplied by -5 gives -5xinner x multiplied by -3 gives -3xlast -5x-3 gives +15combining we get x²-8x+15=0the quadrati...