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42.7 gram sample of potassium nitrate contains how many grams of potassium?
Potassium nitrate has a molar mass of 101.1 g/mol, with one potassium atom accounting for 39.1 g/mol. Using a simple stoichiometric calculation, it can be determined that a 42.7 g sample of potassium nitrate contains approximately 16.64 grams of potassium.
How many grams of potassium iodide will produce 750 grams of silver iodide when there is an excess of silver nitrate?
530,3 g potassium iodide are needed.
How many molecules would be found in 427.4 grams of potassium nitrate?
Quite a few! 427.4 grams KNO3 (1 mole KNO3/101.11 grams)(6.022 X 1023/1 mole KNO3) = 2.546 X 1024 molecules of potassium nitrate -----------------------------------------------------------
How many grams of potassium nitrate can we dissolve in ml of water at A degrees Celsius?
The solubility of poassium nitrate in water at 20 oC is 616 g/L.
How many mole of nitrate ion in one mole of potassium nitrate?
Potassium nitrate is KNO3. There is one potassium per one nitrate. One mole of potassium nitrate contains one mole of nitrate.
How many grams of crystals will b formed if a saturdayed potassium nitrate solution is cooled from 60 to 30?
The amount of crystals formed will depend on how much potassium nitrate was dissolved in the solution to begin with. As the solution cools from 60°C to 30°C, potassium nitrate will begin to crystallize out of the solution. The exact amount of crystals can be determined by calculating the solubility of potassium nitrate at 30°C and comparing it to the initial concentration in the solution.
How many different elements are in potassium and nitrate?
Potassium and nitrate both contain one type of element each. Potassium contains the element potassium (K) and nitrate contains the elements nitrogen (N) and oxygen (O).
A beaker containing 80 grams of KNO3 in 100 grams of water have a temperature of 30 and Acirc and degC. Approximately how many grams of the salt are undissolved on the bottom of the beaker?
The mass of undissolved potassium nitrate is cca. 3 g.
How many atoms are in four molecules of potassium nitrate?
The chemical formula for potassium nitrate is KNO3, which means that one molecule contains five atoms. Therefore, four molecules of potassium nitrate would contain 20 atoms.
Hoy many moles of potassium nitrate are produced when 2 moles of potassium phosphate react wth 2 moles of aluminum nitrate?
The balanced equation for this reaction is: 2K3PO4 + 3Al(NO3)3 -> 6KNO3 + AlPO4. This indicates that 2 moles of potassium phosphate react with 2 moles of aluminum nitrate to produce 6 moles of potassium nitrate.
How many moles of silver chromate will be formed when a silver nitrate solution of known concentration is added to a specified volume of potassium chromate solution of the same concentration?
The number of moles of silver chromate formed will depend on the stoichiometry of the reaction between silver nitrate and potassium chromate. You need to know the balanced chemical equation, as well as the exact volumes and concentrations of the silver nitrate and potassium chromate solutions to calculate the number of moles of silver chromate formed.
How many liters of blood is 163 grams?
Liters can't be converted to grams. Liters measure volume, while grams measure mass.
