Calculate the pH of concentrated hydrochloric acid if this solution is 27.1 % HCl by weight and has a density of 1.17 g/mL.
a. ) -0.08
b. ) -0.94
c. ) -1.01
d. ) -1.08
e. ) -1.15
Calculate the pH of concentrated hydrochloric acid if this solution is 27.1 % HCl by weight and has a density ?
2008-10-31 9:37 am
回答 (4)
2008-10-31 11:31 am
✔ 最佳答案
27.1 x 1170 g/L / 100 = 317.07 g/L of HCl in this solution317.07 g/L / 36.461 g/mol =8.70 M
pH = - log 8.70 = - 0.94
2016-05-24 3:38 pm
Wouldn't you just do (1.19g / mL) x (270.4 mL) and then the mL would cancel out leaving you with 322 g of the acid? [because of sigfigs]
收錄日期: 2021-04-30 13:25:13
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