How many moles are in 24 grams of magnesium (Mg)?

Chemical Change Quantitative Aspects

Quiz
•
Physics
•
11th Grade
•
Hard
Tutor King
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.345
0.456
0.987
1.234
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the mass of sodium hydroxide (NaOH) needed to neutralize 25 mL of 0.1 M hydrochloric acid (HCl).
0.5 grams of NaOH
1.0 grams of NaOH
3.0 grams of NaOH
2.0 grams of NaOH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If 4 moles of methane (CH4) react with excess oxygen (O2), how many moles of water (H2O) will be produced?
8
6
12
10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the concentration of a solution that contains 0.04 moles of solute in 250 mL of solution?
0.04 moles/250 mL
0.16 moles/L
0.16 moles/250 mL
0.25 moles/L
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many grams of potassium nitrate (KNO3) are needed to prepare 500 mL of a 0.2 M solution?
8.5 grams
12.3 grams
15.7 grams
10.055 grams
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If 5 moles of iron (Fe) react with excess sulfur (S), how many moles of iron(II) sulfide (FeS) will be produced?
7
3
5
10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the volume of 0.5 M hydrochloric acid (HCl) needed to completely react with 0.2 moles of magnesium hydroxide (Mg(OH)2).
0.8 L
1.2 L
0.4 L
0.6 L
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