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3 years ago

What is the density of an object having a mass of 15 g and a volume of 3 cm?

Chemistry

2 answers:

n200080 [17]3 years ago

7 0

Answer:

Explanation:

Density = mass divided by volume

15 divided by 3 is 5

andrezito [222]3 years ago

4 0

You cant divide g/cm to get density. It should be the following formula
g
P = ———
cm^3

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Answer:

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2 years ago

If 5 moles of P4 reacted with 22 moles Cl2 according to the above reaction, determine:

GaryK [48]

Solution:

$P_4+6Cl_2\rightarrow 4PCl_3$

a) By stoichoimetry If 6 moles of $Cl_2$ gives 4 mole of $PCl_3$ , then 22 moles of $Cl_2$ will give: $\frac{4}{6}\times 22=\frac{44}{3}=14.66$ moles of $PCl_3$

b) If 6 moles of $Cl_2$ reacts with one mole of $P_4$ , then 22 moles of $Cl_2$ will react : $\frac{1}{6}\times 22=\frac{11}{3}=3.66$ moles of $P_4$

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c) 0 Moles of $Cl_2$ , since it is present in less amount it will get completely consumed in the reaction. Hence, it is limiting reagent.

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