1 Answers
ROLE OF PHOSPHOROUS AND MAGNESIUM IN PLANT AND ALSO DEFICIENCY SYMPOTMS IN PLANT
Phosphorus is required for photosynthesis and for storage and transportation of nutrients throughout the plant. Phosphorus deficiency is seen when plants fail to grow to their normal size or take...
1 Answers 1 views
The ksp of magnesium phosphate is 1 x 10 -24 at 25oC. If the magnesium phosphate is dissolved in 250. mL of water. How many grams of magnesium phosphate were dissolved (think about multiple units)
Mass of Magnesium phosphate =62.7g
1 Answers 1 views
If a 5.75 g piece of magnesium is burned how many grams of magnesium oxide will be produced when all the magnesium reacts with oxygen in the atmosphere
Grams of magnesium oxide=6.05g
1 Answers 1 views
Give the formulas for burning magnesium in air, magnesium reacting in water and magnesium reacting with carbon dioxide.
The equation is: Magnesium + oxygen → magnesium oxide. 2Mg + O2 → 2MgO.
1 Answers 1 views
Magnesium ribbon reacts with hydrochloric acid to produce hydrogen gas and magnesium chloride. Describe how this reaction could be used to determine the relative atomic mass of magnesium.
In this experiment, students react magnesium ribbon with dilute hydrochloric acid to produce hydrogen gas. They can then use the measured volume of hydrogen gas produced and the mass of...
1 Answers 1 views
When MAGNESIUM IS not allowed sufficient air in part b some MAGNESIUM nitride form. If the mg3n3 is not decomposed in part b will the report MAGNESIUM to oxygen ratio be high or low??
In the reaction of magnesium oxide with oxygen in addition to a small amount of nitride: 2Mg + O2 = 2MgO 3Mg + N2 = Mg3N2 To obtain the target...
1 Answers 1 views
Phosphorous pentachloride is produced by the reaction between phosphine and chlorine gas. What mass of chlorine gas would be required to produced 0.015 kg of phosphorous pentachloride
PH3+4 Cl2 = PCl5 + 3 HCl Mass of 1 mol of PCl5 = 31+5*35.5 = 208,5 g0,015 kg /0.2085 kg/mol = 0,071942 molMass of clorine = 4 *( 35,5*2) *0,071942...
1 Answers 1 views
10.8 g of magnesium is combined with 10.0 liters of oxygen to form magnesium oxide. Calculate the mass (in grams) of magnesium oxide that will be produced.
2Mg + O2 2MgO
Solution:The balanced chemical equation:2Mg + O2 → 2MgOAccording to the chemical equation: n(Mg)/2 = n(O2) = n(MgO)/2Molar mass of Mg is 24 g/mol.Moles of Mg = 10.8 g × (1...
1 Answers 1 views
204.5 g of phosphorous pentachloride was dissolved in 180.5 mL of water. Determine the amount concentration (moles / litre) of phosphorous pentachloride.
W%=204.5 x 100%/(204.5 + 180.5)W%=53.1168831%
1 Answers 1 views
Magnesium hydroxide was reacted with hydrochloric acid. The weight of magnesium hydroxide was 1500 grams. What was the weight of magnesium chloride being produced from the reaction?
Mg (OH) 2 + 2HCl = MgCl2 + 2H2On (Mg (OH) 2) = m / M = 1500/58 = 25,86 мольM (Mg (OH) 2) = 24 + 16 * 2...
1 Answers 1 views