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Mice21 [21]
3 years ago
5

If the density of iron is 8.76g/ml how many liters will 10.0 grams occupy please I need help

Chemistry
1 answer:
ollegr [7]3 years ago
7 0

Answer:

0.876 ml

8.76/10 = 0.876

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7th GRADE SCIENCE 25 POINTS I WILL GIVE BRAINLIEST INTERNAL AND EXTERNAL STIMULI IN PLANTS PLEASE LIST 5 EXAMPLES FOR INTERNAL A
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A drink is made up mostly of water. A small amount of sweet powder is stirred in using a spoon. The power in this solution is th
Helen [10]
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3 years ago
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Calculate the PH of a solution 0.030 MH2SO4
Zinaida [17]

Answer:

pH= 2- log3

Explanation:

H2SO4 + H2O -> HSO4^(-) + H30^(+)

0.03M ___ ___

___ 0.03M 0.03M

H30^(+) : C = 0.03M

pH= - log( [H3O^(+)] ) => pH= - log {3× 10^(-2)} => pH = 2 - log3

4 0
3 years ago
Consider the reaction 2 CO + O2 → 2 CO2 .What is the percent yield of carbon dioxide
Wewaii [24]

Answer:

Y=50.9\%

Explanation:

Hello,

In this case, given the reaction, we can directly compute the theoretically yielded grams of carbon dioxide, considering the 2:2 molar ratio between carbon monoxide (molar mass = 28 g/mol) and carbon dioxide (molar mass = 44 g/mol) and the initial reacting grams of carbon monoxide in excess oxygen:

m_{CO_2}^{theoretical}=10gCO*\frac{1molCO}{28gCO}*\frac{2molCO_2}{2molCO}*\frac{44gCO_2}{1molCO_2}   =15.7gCO_2

Thus, as only 8 g were actually yielded, we compute the percent yield:

Y=\frac{8g}{15.7g}*100\% \\\\Y=50.9\%

Best regards.

7 0
3 years ago
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