Answer:
I'm not sure sorry
Explanation:
all I know is calcium=1 carbon=1 oxygen=3➡️calcuim=1 oxygen=1+carbon=1 oxygen=2
so overall answer would be (5➡️2+3) so mabey 5+5=10
Answer:
278 mL x 0.038 M = 10,564 mmol.
Using the molair mass of Fe2(SO4)3 to convert mmol to grams:
10,564 mmol / 1000 x 399,88 g/mol = 4,22 g Fe2(SO4)3.
we know that,
W = mL + mcθ
W= 10(336+ 4.2(50))= 5460 kJ
so quantity of heat required is 5460 J
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