How many moles of SnF₂ will be produced along with 48 grams of H₂? *
1 answer:
Answer: 24 moles of
are produced.
Explanation:
To calculate the moles :

According to stoichiometry :
1 mole of
is accompanied with = 1 mole of 
Thus 24 moles of
is accompanied with =
of 
Thus 24 moles of
are produced.
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Answer:
SPECIFIC HEAT CAPACITY
Explanation:
Q = MC DELTA T
q = heat
c = specific heat
T = temperature ( final - initial )
Ca + 2HCl = CaCl₂ + H₂
c=4.50 mol/l
v=2.20 l
n(HCl)=cv
m(Ca)/M(Ca)=n(HCl)/2
m(Ca)=M(Ca)cv/2
m(Ca)=40g/mol·4.50mol/l·2.20l/2=198 g
198 grams of Ca are needed
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