Answer:
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Explanation:
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Answer:
0.0345kg is the mass of 25L of the sample
Explanation:
Hydrophosphoric acid, H₃P = Phosphine has a density of 1.38g/L.
To solve this question we need to convert the volume of the gas to mass in grams as first and then to kilograms as follows:
<em>Mass in grams:</em>
25L * (1.38g / L) = 34.5g
<em>Mass in kilograms:</em>
34.5g * (1kg / 1000g) = 0.0345kg is the mass of 25L of the sample
The remaining mass has escaped the test tube, as hydrogen is in gaseous form.
Answer:
8.089 x 10²³ molecules H₂O
Explanation:
Using stoichiometry to find the answer. Helpful chart to follow if you look it up online