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What is the percent composition of #NiO#, if a sample of #NiO# with a mass of 41.9 g contains 33.1 g #Ni# and s g #O#?

Answer 1

Serenity Allen

Well it has #79.0%# metal content.........

#%Ni=(33.1*g)/(41.9*g)xx100%=79.0%#

#%O=(41.9*g-33.1*g)/(41.9*g)xx100%=21.0%#

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Answer 2

Avery Adams

Nickel (Ni) makes up 78.94% of the composition, while oxygen (O) makes up 21.06%.

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Answer 3

Jeremiah Adams

The percent composition of NiO is 78.95% Ni and 21.05% O.

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Answer 4

Caleb Adams

To find the percent composition of NiO, we first need to determine the mass of oxygen (O) in the sample.

Given: Mass of NiO = 41.9 g Mass of Ni (Ni) = 33.1 g Mass of O (O) = s g

Mass of O (O) = Mass of NiO - Mass of Ni s = 41.9 g - 33.1 g

Now, calculate the mass of oxygen: s = 8.8 g

The percent composition of NiO is calculated as follows: Percent Ni = (Mass of Ni / Mass of NiO) x 100% Percent O = (Mass of O / Mass of NiO) x 100%

Plug in the values: Percent Ni = (33.1 g / 41.9 g) x 100% Percent O = (8.8 g / 41.9 g) x 100%

Calculate the percentages: Percent Ni = 78.76% Percent O = 21.04%

Therefore, the percent composition of NiO is approximately 78.76% Ni and 21.04% O.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.