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How do you prepare 100 ppm fluoride standard from sodium fluoride?
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Is toothpaste 100 percent fluoride?
No. Toothpaste is usually less than 1% sodium fluoride. Pure sodium fluoride would be highly toxic.
How do you prepare a 50 percent of NaOH solution?
Dissolve slowly 50 g NaOH in 100 mL water; advertisement: sodium hydroxide solution is dangerous !
How do you prepare Benedicts reagent?
You can use it to test the glucose in urine to see if someone has diabetes or not.
How many grams of sodium chloride are required to prepare 500.0 mL of a 100 M solution?
In this instance, 50 mol of sodium chloride is needed and molar mass of NaCl is 58.5 g/mol. Hence the mass we need is 29250 g. But this amount of salt could not be dissolved in 500 ml of water, so we cannot prepare this solution practically.
You are provided with a 1000ppm sodium solution describe how you would prepare a volume of 200ml with a concentration of 5ppm sodium in a two step dilution?
you can only use the following glassware 5 10 20 25 and 50ml pipette 50 100 200 or 500ml volumetric flasks
Is toothpaste 100 percent fluoride?
No. Toothpaste is usually less than 1% sodium fluoride. Pure sodium fluoride would be highly toxic.
How do you prepare 1 percent of sodium citrate?
THE MEANING OF % IS 1 gm of substance in 100 mL of solvent.(w/v) so you can prepare 1 % sodium citrate by dissolving 1.0 g of Sodium citrate in to 100 ml of water.
What mass of sodium chloride will be required to prepare 100 cm3 of 0.0282 M of sodium chloride?
The answer is 0,1648 g NaCl.
How do you prepare a 30 percent NaCl solution?
Dissolve 30g of sodium chloride in 100 mL of water.
What is the mass of sodium hudroxide needed to prepare 100 mL of a 0.10 M solution?
1.17 grams :)
What is the formula of the compound made when fluorine reacts with sodium?
Sodium sulfate has Na2SO4 as its chemical formula. This is the anhydrous form (without water), and it is also seen written as Na2SO4 + 10 H2O, which is its decahydrate. Wikipedia has additional information on this idustrial chemical, and a link is provided below so you can surf on over.
How do you prepare 2M 100 ml sodium hydroxide solution?
Just dissolve 8g solid NaOH in 100 mls. distilled water.
What is the name of compound NH4H?
Ammonium sulfate :D
How will prepare 200ml of 10 percent NaOH Solution?
Dissolve 0.4 g of NaOH in 100 ml of water. Try it out. Actually it is not suitable to prepare NaOH solutions in standard flasks.It should be made in beakers & must be standardised..This is done to find the correct normality...
Does listerine zero mouthwash have fluoride in it?
No,it do not have chorhexidine.Try Clohex it have chlorhexidine.
How do you prepare a 12 percent NaCl solution?
Dissolve 12 g dried sodium chloride (reagent grade) in 100 mL demineralized water.
How do make 10 percent sodium thiosulfate solution?
To get 100g of solution: 10g of sodium thiosulfate + 90g of water.
