Small Quantities of Hydrogen Can Be Prepared by the Addition $\degree$

question 82

Multiple Choice

Small quantities of hydrogen can be prepared by the addition of hydrochloric acid to zinc. A sample of 195 mL of hydrogen was collected over water at 25 $\degree$ C and 753 torr. What mass of hydrogen was collected? (P_water = 24 torr at 25 $\degree$ C)

• A) 0.00765 g
• B) 0.0154 g
• C) 0.0159 g
• D) 0.0164 g
• E) 0.159 g

---

Definitions:

Portfolio

A collection of investments held by an individual or institution, including stocks, bonds, real estate, and other assets.

Successive Years

Consecutive years following one after the other without interruption.

Compound-Interest GIC

A Compound-Interest Guaranteed Investment Certificate (GIC) is a financial product that pays interest on your initial investment, with the interest being compounded at specified intervals, leading to increased returns over time.

Compounded Semiannually

The calculation of interest where it is added to the principal twice a year, resulting in the interest earning interest semiannually.