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Leto [7]
3 years ago
12

What are the characteristics of a good (effective) window cleaner?

Chemistry
1 answer:
Readme [11.4K]3 years ago
8 0

Removes smudges, leaves no after streaks

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What is one molar volume of the gas ammonia (nh3) at stp?
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A student titrating a sample of a powdered aspirin tablet to find out how much acetylsalicylic acid is in the sample finds that
leva [86]

Answer:

305 mg

Explanation:

The equation of the reaction is;

C9H8O4 + NaOH = C9H7O4Na + H2O

Amount of NaOH reacted = 15.5/1000 L * 0.109 M = 1.69 * 10^-3 moles

Since the reaction has a 1:1 mole ration, 1.69 * 10^-3 moles of acetylsalicylic acid reacted.

Assuming all the acetylsalicylic acid reacted, then mass of acetylsalicylic acid present = 1.69 * 10^-3 moles * 180.158 g/mol = 0.305 g or 305 mg

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3 years ago
CAN SOMEONE PLEASE HELP ME ASAP PLEASEE ANYBODY LITERALLY ANYONE OUT THERE PLEASE
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