MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Process Calculation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How many mL of 2.50% (m/v) NaOH solution would contain 3.50 g of NaOH? |
| A. | 7 |
| B. | 14 |
| C. | 21 |
| D. | 28 |
| Answer» C. 21 | |
| 2. |
HOW_MANY_ML_OF_2.50%_(M/V)_NAOH_SOLUTION_WOULD_CONTAIN_3.50_G_OF_NAOH??$ |
| A. | 7 |
| B. | 14 |
| C. | 21 |
| D. | 28 |
| Answer» C. 21 | |
| 3. |
WHAT_IS_THE_PPM_CONCENTRATION_OF_6.00_ML_SAMPLE_OF_SOLUTION_THAT_HAS_3.6_X_10-4_G_OF_SODIUM_IONS??$ |
| A. | 20 |
| B. | 40 |
| C. | 60 |
| D. | 80 |
| Answer» D. 80 | |
| 4. |
What is the ppm concentration of 6.00 mL sample of solution that has 3.6 x 10-4 g of sodium ions? |
| A. | 20 |
| B. | 40 |
| C. | 60 |
| D. | 80 |
| Answer» D. 80 | |
| 5. |
What is the concentration (% m/v) of the solution that contains 20.0 g NaCl in 800.0 mL solution? |
| A. | 5.00% |
| B. | 2.00% |
| C. | 0.200% |
| D. | 2.50% |
| Answer» E. | |
| 6. |
What is the concentration of 36 grams of water occupying 1 m3 volume? |
| A. | 1 mole / m3 |
| B. | 2 mole / m3 |
| C. | 11 mole / m3 |
| D. | 22 mole / m3 |
| Answer» C. 11 mole / m3 | |
| 7. |
What is the total hardness of water in mg/L if the concentration of Ca and Mg are 56.7 mg/L and 9.8 mg/L? |
| A. | 182.1 |
| B. | 66.5 |
| C. | 133 |
| D. | 91.05 |
| Answer» B. 66.5 | |
| 8. |
A student has two solution of a substance. Solution-1: 25M, 400mL and Solution-2: 30M, 300M. What is the molarity of the final solutions if these two solutions are mixed? |
| A. | 27.14 |
| B. | 22.14 |
| C. | 14.22 |
| D. | 14.27 |
| Answer» B. 22.14 | |
| 9. |
What is the weight fraction of N2 in a gas when it is liquefied? The gas contains 400 ppm of N2 in CO2. |
| A. | 2.54√ó10-4 |
| B. | 3.54√ó10-4 |
| C. | 4.54√ó10-4 |
| D. | 5.54√ó10-4 |
| Answer» B. 3.54‚Äö√†√∂‚àö‚â•10-4 | |
| 10. |
The concentration of 0.02 M H2SO4 molecules in a solution where the ionization of H2SO4 is 30%. |
| A. | 0.014 |
| B. | 0.003 |
| C. | 0.002 |
| D. | 0.005 |
| Answer» B. 0.003 | |
| 11. |
Find the correct statement for ppm |
| A. | For solids and liquids, it is mole ratio |
| B. | For gases, it is mole ratio |
| C. | It is mole ration for every phase of matter |
| D. | It is mass ratio for every phase of matter |
| Answer» C. It is mole ration for every phase of matter | |