21.6 J of energy are used to heat a 2.0 g piece of iron from 5.0oC to 29.0oC. What is the experimental specific heat capacity of
iron in J/ (g . oC) ?
ANSWER QUICKLY PLEASE!
ANSWER QUICKLY PLEASE!
1 answer:
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The first step to solve this problem is to multiply the volume of solution times its concentration to find the number of moles needed, remember that M=mol/L:
Now, use the molar mass of sucrose to find the number of grams needed to make the solution. This is, multiply the number of moles needed times the molar mass:
It means that to make 0.500L of a 0.475M you will have to weigh 81.225g of sucrose.