Info:
A dry, empty crucible was obtained weighing 10.00 grams. The hydrate (BeSO4 ● 4 H2O) was placed into this crucible and the total mass was recorded at 15.00 grams. After heating the hydrate to remove the water, the mass of the anhydrous compound and crucible was 12.94 grams.
questions:
a) Determine the mass of the original hydrate.
b) Determine the mass of just the anhydrous salt.
c) Calculate the number of moles of anhydrous salt using the molar mass of just BeSO4.
d) Determine the mass of water lost.
e) Calculate the number of moles of water lost using the molar mass of water.
f) Determine the smallest whole number ratio of moles of water: to moles of anhydrous salt.
g) Did the experiment results corroborate with the formula BeSO4 ● 4 H2O?

Question

30-11-2022
Chemistry

Answered

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Info:
A dry, empty crucible was obtained weighing 10.00 grams. The hydrate (BeSO4 ● 4 H2O) was placed into this crucible and the total mass was recorded at 15.00 grams. After heating the hydrate to remove the water, the mass of the anhydrous compound and crucible was 12.94 grams.
questions:
a) Determine the mass of the original hydrate.
b) Determine the mass of just the anhydrous salt.
c) Calculate the number of moles of anhydrous salt using the molar mass of just BeSO4.
d) Determine the mass of water lost.
e) Calculate the number of moles of water lost using the molar mass of water.
f) Determine the smallest whole number ratio of moles of water: to moles of anhydrous salt.
g) Did the experiment results corroborate with the formula BeSO4 ● 4 H2O?

Sagot :

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