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MissTica
3 years ago
5

What is the total number of grams of potassium fluoride

Chemistry
1 answer:
Mice21 [21]3 years ago
8 0

Explanation:

molarity=no. of moles of solute/solution in litres

6.17M=no. of moles of solute/9.4 L

6.17×9.4=no. of moles of solute

57.9 =no. of moles of potassium fluoride KF

no. of moles=given mass /molar mass

57.9=given mass/58

3358.2 g

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What is the de Broglie wavelength (in meters) of a 45-g golf ball traveling at 72 m/s?
Cerrena [4.2K]

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Calculate  \lambda = \frac{h}{p}as follows.

          \lambda = \frac{h}{p}

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        \lambda = \frac{h}{mass \times velocity}

                               =  \frac {6.6 \times 10^{-34} m^{2} kg/s}{0.045 kg \times 72 m/s}                        

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6 0
3 years ago
Read 2 more answers
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