According to the Following Reaction, What Amount of Al₂S₃ Remains

question 10

Multiple Choice

According to the following reaction, what amount of Al₂S₃ remains when 20.00 g of Al₂S₃ and 2.00 g of H₂O are reacted? A few of the molar masses are as follows:
Al₂S₃ = 150.17 g mol^-1, H₂O = 18.02 g mol^-1. Al₂S₃(s) + 6H₂O(l) → 2Al(OH) ₃(s) + 3H₂S(g)

• A) 28.33 g
• B) 14.00 g
• C) 8.33 g
• D) 19.78 g
• E) 17.22 g

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Definitions:

Poisson Probability

The probability of a given number of events happening in a fixed interval of time or space when these events occur with a known constant mean rate and independently of the time since the last event.

Binomial Probabilities

The probabilities of achieving a specific number of successes in a fixed number of Bernoulli trials, characterized by only two possible outcomes.

Poisson Random Variable

A variable that follows the Poisson distribution, mainly used to model the number of times an event happens in a fixed interval of time or space.

Discrete Random Variable

A type of random variable that assumes a countable number of distinct values, often representing outcomes of a random process.