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likoan [24]
3 years ago
9

Use the equation below to determine the maximum number of grams of PH3 that can be formed when 8.2 g of phosphorus reacts with 4

.0 g of hydrogen to form PH3? Please note that the molar mass of phosphorus is 30.9 g/ mol and hydrogen is 1.008 g/mol.
Chemistry
1 answer:
olga55 [171]3 years ago
3 0

did you get the answer? pls

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How many milliliters of C5H8 can be made from 366 mL C5H12 ?
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The number of Ml  of C₅H₈  that can  be  made  from 366  ml  C₅H₁₂  is 314.7 ml  of C₅H₈


  <u><em>calculation</em></u>

 step  1: write  the  equation for  formation of C₅H₈

C₅H₁₂  →  C₅H₈  + 2 H₂

Step 2: find the mass of C₅H₁₂

mass = density × volume

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Step 3: find moles  Of  C₅H₁₂

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Step 5: find the mass  of C₅H₈

mass = moles x molar mass

from periodic table the  molar mass of C₅H₈ = (12 x5) +( 1 x8) = 68 g/mol

= 3.152  moles x 68 g/mol = 214.34 g

Step 6: find Ml of  C₅H₈

=mass / density

= 214.34 g/0.681 g/ml = 314.7 ml



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