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What is the molarity of 495 mL solution containing 21.1 g of potassium iodide?
We have 495 ml, but we need to convert this to 1000, so we divide by 495 and multiply by 1000. We also do this to 21.1g. 21.1/495*100 is 42.626g. KI's molecular weight is 166g/mol. 42.626/166 is 0.2568 molar.
What mass of water forms when 2.75 104 mol NaOH reacts completely?
To make water using NaOH, you can react it with an acid, such as HCl. The reaction isNaOH + HCl ---> NaCl + H2O. 2.75x10^4 moles of NaOH will produce 2.75x10^4 moles of water because the ratio of NaOH to H2O is 1 to 1 (see equation). Thus, the mass of water formed will be2.75x10^4 moles H2O x 18 g/mole = 4.95x10^5 grams of water (495 kg)
What is the energy in J of a photon with a wavelength of 495 nm?
The energy of a photon can be calculated using the formula E = hc/λ, where h is Planck's constant (6.626 x 10^-34 J·s), c is the speed of light (3.00 x 10^8 m/s), and λ is the wavelength. Plugging in the values, we get E = (6.626 x 10^-34 J·s * 3.00 x 10^8 m/s) / (495 x 10^-9 m) ≈ 4.01 x 10^-19 J.
What primary element makes blue?
Blue is primarily created by the reflection and scattering of light in the shorter wavelengths (around 450-495 nanometers) within the visible spectrum. This wavelength range corresponds to the color blue that our eyes perceive.
A solution of NaOH contains 20g of this compound in 2dm3 of this solution . What is molarity of this solution?
This sodium hydroxide solution has a molarity of 0,25.
How many ounces in 495 grams?
495g = 17.46oz
How many ounces is 495 grams?
495g = 17.5oz
How many grams are there in 495 kilograms?
There are 1000 grams in one kilogram. Therefore, 495 kilograms is equal to 495 x 1000 = 495000 grams.
How many pounds are there in 7920 ounces?
There are 16 ounces in one pound. Therefore, 7920 ounces is equal to 7920 / 16 = 495 pounds.
How many pounds are in 495 grams?
495 g = 1.091 pounds.
How many centimeters are there in 495 millimetres?
There are 10 millimetres in one centimetre. Therefore, 495 millimetres is equal to 495/10 = 49.5 centimetres.
How many miles are there in 495 kilometres?
There are 1.609344 kilometres in one mile. Therefore, rounded to two decimal places, 495 kilometres is equal to 495/1.609344 = 307.58 miles.
What does 495 subtract 358 equal?
137
What fraction is equal to 15 over 45?
165/495 is one of infinitely many possible answers.
How much is 495 pounds equal in us dollars?
As of January 13, 2012: 495 GBP = 758.1915
How many square feet is 33 feet by 15 feet?
33 feet multiplied by 15 feet is equal to 495 square feet.
What is 90 times 5.50 equal?
90 * 5.50 = 495
