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- 1. Multiple Choice
Sodium carbonate and sulphuric acid is reacted, what are the expected products?
Na2SO4 + H2O
Na2SO4 + CO2 + H2O
2 NaSO4 + H2O
Na2CO3 + SO4 + H2O
- 2. Multiple Choice
How many L of 4.00 M HCl are needed to prepare 1250 mL of 0.250 M HCl solution?
Write the answer to three significant figures?
0.0781 L
0.0315 ml
78.1 ml
0.0315 L
- 3. Fill in the Blank
When 12 grams of methane gas reacts with 9 grams of chlorine gas, 3.12 g of Carbon tetrachloride is produced. What is the percentage yield of success?
- 4. Poll
Consider this reaction and choose the appropriate title below:
Dilution of liquid
An increase in the concentration of liquid
An acid-base reaction
A neutralisation reaction
- 5. Open Ended
Describe the event occurring in this image in five sentences.
- 6. Multiple Choice
A 30.00 mL sample of sodium hydroxide, is titrated with 0. 68 M HCl solution. The volume of HCl solution required is 32.88 mL. What is the molarity of the NaOH solution?
0.341 M
0.745 M
74.5 M
34.1 M
- 7. Multiple Choice
What is the name of the reaction occurring in this image?
Evaporation
Neutralization
Precipitation
Fusion
- 8. Fill in the Blank
Write the systematic name of the compound above:
- 9. Multiple Choice
If 4.02 g of potassium hydroxide solution is reacted with 7.89 g of sulphuric acid, what is the theoretical yield of the salt, potassium sulphate, in grams?
6.24 g
3.13 g
64.3 g
3.13 g
- 10. Open Ended
Consider the hydrogen gas. At 0.685 atm, a 1.50 L volume of hydrogen measured at –85 °C is warmed to 90 °C, at 1.2 atm. Is the gas expanding? If so, how?
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