The Purity of a Sample Containing Zinc and Weighing 0

question 74

Multiple Choice

The purity of a sample containing zinc and weighing 0.198 g is determined by measuring the amount of hydrogen formed when the sample reacts with an excess of hydrochloric acid. The determination shows the sample to be 84.0% zinc. What amount of hydrogen (measured at STP) was obtained?

• A) 1.53 × 10²¹ atoms
• B) 3.42 × 10^-3 mol
• C) 0.152 L
• D) 0.0330 g
• E) 1.53 × 10²¹ molecules

Calculate and analyze budgeted figures in practical scenarios.

Describe the primary purposes of the budgeting process.

Grasp the strategic integration of budgeting with organizational strategies and plans.

Understand the role of external factors in forecasting and budgeting.