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Chiomatn93
Group Title
Consider the following unbalanced reaction:
C(s) + S8(s) → CS2(l)
How many grams of carbon disulfide will be produced if 8.80 g of C and 17.2 g of S8 are allowed to react completely?
Report your answer to 3 significant figures and do not include units.
 2 years ago
 2 years ago
Chiomatn93 Group Title
Consider the following unbalanced reaction: C(s) + S8(s) → CS2(l) How many grams of carbon disulfide will be produced if 8.80 g of C and 17.2 g of S8 are allowed to react completely? Report your answer to 3 significant figures and do not include units.
 2 years ago
 2 years ago

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aaronq Group TitleBest ResponseYou've already chosen the best response.2
do you know what units you use in stoichiometric problems?
 2 years ago

Chiomatn93 Group TitleBest ResponseYou've already chosen the best response.0
in this case g CS2
 2 years ago

aaronq Group TitleBest ResponseYou've already chosen the best response.2
nope you ALWAYS use moles
 2 years ago

aaronq Group TitleBest ResponseYou've already chosen the best response.2
so to solve this problem: (1) balance the reaction (2) convert grams of reactants to moles of reactants ...moles=mass/molar mass (3) determine limiting reactant (whichever one you have less of will determine how much product you can make) (4) use the coefficients from the balanced equation to find how many moles of product you make (5) convert to grams ...again using n=m/M
 2 years ago

aaronq Group TitleBest ResponseYou've already chosen the best response.2
do these and ill help you if you get stuck
 2 years ago

Chiomatn93 Group TitleBest ResponseYou've already chosen the best response.0
im stuck...im trying to convert the grams of the reactant to moles of reactant but im confused
 2 years ago

aaronq Group TitleBest ResponseYou've already chosen the best response.2
okay, so you know how many grams you have .. do you know each reactants molar mass?
 2 years ago

Chiomatn93 Group TitleBest ResponseYou've already chosen the best response.0
molar mass of C=12.011?
 2 years ago

Chiomatn93 Group TitleBest ResponseYou've already chosen the best response.0
Molar mass of CS2=76.141
 2 years ago

aaronq Group TitleBest ResponseYou've already chosen the best response.2
okay so use the formula n=m/M moles = mass / molar mass find the number of moles ie. divide the mass by the molar mass
 2 years ago

aaronq Group TitleBest ResponseYou've already chosen the best response.2
so for carbon m=(8.8g)/(12g/mol) = 0.733 mol
 2 years ago

Preetha Group TitleBest ResponseYou've already chosen the best response.0
Aaron, really good work helping this learner!
 2 years ago
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