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4.26mol x ( 6.022 x 1023 molecules / 1mol ) = 2.565 x 1024 molecules
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∙ 13y ago
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How many grams of NaC2H3O2 are needed to prepare 350 ml of a 2.75 M solution?
First find the number of moles of the sodium bicarbonate by dividing the mass you have(12.5g) by the molar mass of the compound(84.0g) to get .149 moles. Then divide the number of moles (.149mol) by the number of liters of solute (.350L) to get the molarity which is .426 M or .426 mol/L to the correct number of significant figures Molarity = Grams/(Molecular Weight X Volume) Given: grams = 12.5g ; molecular weight of NAHCO3 = 84.00661 g/mol ; volume =350ml or 0.35L Solution Molarity = 12.5 g / ( 84.00661 g/mol x 0.35 L) = 12.5 g / ( 29.4023135 g/mol L ) = 0.425136614 mol L or approx 0.43 mol L
What temperature does cadmium boil?
The melting point of Cadmium is 610.12F, 321.18C, and 594.33K.
A huge limestone mass on spains southern coast?
The Rock of Gibraltar is on the south coast of the Iberian Peninsula in the UNITED KINGDOM territory of Gibraltar, not Spain.
What is the Freezing point of citric acid?
The melting point of citric acid is 307.4* F., or 153* C. Citric acid starts to soften at 75* C.
How many meters in 426 feet?
426 feet = 129.844 meters
How many feet are in 426 inches?
426 inch = 35.5 feet
How many times to 30 go into 426?
426 ÷ 30 = 14.2
How many seconds are in 426 hours?
426 hours equates to 1,533,600 seconds.
How many tens are equal to 4260?
426 of them because 426*10 = 4260
How many times does 6 go into 426?
6 goes into 426 71 times.
How many years is it from 206 BC to 220 AD?
426 years
How many schools in Wisconsin?
426
how many centimeters are in 426?
42.6cm
How many inches are there in 426 feet?
There are 12 inches in a foot. So 426 x 12 = 5112 inches.
How many even numbers are between 412 and 426?
412, 414, 416, 418, 420, 422, 424, 426. Excluding the 412 and 426, there are 6 even numbers.
What is 38 percent of 426?
38% of 426= 38% * 426= 0.38 * 426= 161.88
