Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

1. the amount of zinc required to produce 1.12ml of hydrogen gas (H2) at STP on treatment with dilute hydrochloric acid will be in how many grams?
Asked by OM mohapatra | 01 Aug, 2014, 10:48: AM
answered-by-expert Expert Answer
The reaction is as follows:
Zn + 2HCl ------> ZnCl2 + H2
Thus 1 mol Zn produces 1 mol H2
1 mol of Zn occupies 22.4 mL H2 gas
Therefore, 1.12 mL of H2 gas correspond to 0.05 moles of H2 gas
Thus 0.05 moles of H2 gas will be produced from 0.05 moles of Zn
1 mol of Zn = 65.38 g
Hence, 0.05 moles of Zn = 3.27 g Zn
Thus, 3.27 g Zn is required to produce 1.12 mL H2 at STP.
 
Answered by Prachi Sawant | 01 Aug, 2014, 11:53: AM
CBSE 11-science - Chemistry
Asked by manikandanragul1 | 11 Apr, 2024, 09:02: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by nikhithaguguloth14 | 29 Mar, 2024, 08:15: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by sumedhasingh238 | 27 Mar, 2024, 11:04: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by avijotsingh946431 | 22 Feb, 2024, 05:36: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by gurmelsinghray | 21 Feb, 2024, 08:43: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by bablipanwar893 | 01 Jul, 2023, 12:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by saijagdale9 | 19 Jun, 2023, 02:34: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by kdimple765 | 17 Jul, 2022, 01:24: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by alfirozislam900 | 03 Jul, 2022, 01:24: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by alfirozislam900 | 03 Jul, 2022, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×