samanthabutryn
18.09.2021 •
Chemistry
If an air conditioning unit is charged with 5.0 g of R-113 (C2C13F3), how many molecules are being added to the air conditioner?
A. 0.20
B. 5.3x10^22
C. 0.027
D. 1.6x10^22
E. 14.5x10^-26
F. 13.0x10^24
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Ответ:
0.027 M HCl
Explanation:
The chemical equation of the neutralization is:
1 NaOH + 1 HCl -> 1 H2O + 1 NaCl
Because the ratio of NaOH and HCl is 1:1 you can use the M1V1=M2V2 formula.
(75 mL)(0.5 M NaOH) = (165 mL)(M HCl)
It requires 0.027 M HCl.