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dlinn [17]
2 years ago
9

100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POI

NTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS 100 POINTS

Chemistry
2 answers:
Luba_88 [7]2 years ago
6 0

Answer:

Explanation:

#2 is answered so here is for #3:

Knowns: 100mL of solution; concentration of 0.7M

Unknown: number of moles

Equation: number of moles = volume * concentration

Plug and Chug: number of moles = 100/1000 * 0.7 = 0.07 mole

Final Answer: 0.07mole

pantera1 [17]2 years ago
5 0

Answer:

2.2 moles

Explanation:

n = CV

n = 0.4×5.50

n=2.2 moles

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