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n200080 [17]
2 years ago
9

Pat paid $85.50 for renting a scooter for 6 hours. What was the rate per hour for renting the scooter? (Input only numeric value

s and decimal point, and report prices to two decimal places, such as 12.30.) $______ per hour HELP ASAP PLEASE
Chemistry
1 answer:
wlad13 [49]2 years ago
3 0
I believe the answer would be 14.25 an hour because $85.50/ 6 would be 14.25 but i could be wrong. 

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What happens is it makes water
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90 grams of NaNO3 were added to solution at 10 degrees Celsius. What type of solution was formed?
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What is the molarity of a solution prepared by dissolving 8 grams of BaCl2 in enough water to make a 450. 0 mL solution? (Hint:
Salsk061 [2.6K]

Molarity is the molar concentration of the solute dissolved in a volume of a solution. The molarity of the solution prepared by dissolving barium chloride will be 0.085 M.

<h3>What is molarity?</h3>

Molarity is the ratio of the moles of the solute to that of the volume of the solution in Liters. It can be given as,

\rm Molarity = \dfrac{moles}{Volume}

Here, moles of the barium chloride can be given by the mass and the molar mass and volume is given as 0.450 L.

Substituting values in the equation:

\begin{aligned}\rm Molarity &= \rm \dfrac{mass}{Molar \;mass\times Volume}\\\\&= \dfrac{8}{208.23\times 0.450}\\\\&= 0.085\;\rm M\end{aligned}

Therefore, 0.085 M barium chloride is the molar concentration.

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2 years ago
How many moles of oxygen (O2) are present in 33.6 L of the gas at 1 atm and 0°C?
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3 0
3 years ago
The net force on a vehicle that is accelerating at a rate of 1.2 m/s² is 1500 newtons. What is the mass
kotegsom [21]

Answer:

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Explanation:

Given parameters:

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Unknown:

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Since mass is the unknown, insert the parameters and solve;

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        mass = \frac{1500}{1.2}   = 1250kg

5 0
2 years ago
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