Ask a New Question

How many grams of PH3 are present in 477 mL of the gas at STP?

1 answer

1 mole occupies 22.4 L PH3 gas @ STP. So how many moles do you have in 0.477 L?
Then mols = grams/molar mass. You know mols and molar mass; solve for grams.

Ask a New Question or answer this question.

Similar Questions

calculate how many grams of chloride ions are present in 50 grams of ocean salts
1. 3 answers
In a chemical reaction, substance A combines with substance B to form subtance Y. At the start of the reaction, the quantity of
1. 4 answers
2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of
1. 5 answers
The model for radioactive decay is y=y0e−kt. A radioactive substance has a half-life of 230 years. If 35 grams are present
1. 3 answers

more similar questions