4Al+6Fe(NO3)2= 6Fe+4Al(NO3)3
To calculate number of moles, all you do is divide the given mass by the molecular molar mass:
<span>i.e. 125g / 18g = 6.94444g </span>
<span>Therefore, your answer is (a) 6.94 g</span>
It would be 35.8 Calories or calories. Not sure about that part. Hope this helps though.
Answer:
The answer is B. Urine, Feces
Explanation:
<span> iron (Fe), ruthenium (Ru), osmium (Os) and hassium (Hs). They are all transition metals.</span>