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A metal hydroxide has the formula M(OH)2. An aqueous solution of this hydroxide has a concentration 6.16g per litre 30cm3 of this solution required 24cm3 of acid solution containing 5.67gdm-3 of nitric acid for complete neutralization. Caculate
a) the molarity of the metallic hydroxide
b) Relative atomic mass of the metal M
10.08g of ethane dioic acid (oxalic acid) crystals H2C2O4XH2O made up of 1dm3 f solution 25cm3 of ths solution completely neutralized by 20cm3 of 0.2 molesodium hydroxide solution. Calculate the
a) molarity of acid
b) number of moles of water of crystallization in 1 mole of the acid
What is the total number of ions present in the formula Na2SO4?
each copper ii sulfate unit is associated with five water molecules in crystalline copper sulfate pentahydrate (CuSO4 5H2O) when this compound is heated in the air above 100C it loses the water molecules and also its blue color CuSO4 * 5H20 CuSO4 + 5H2O
How much urea should be dissolved in50 g of water so that it's vapour pressure at room temperature is reduced by 25%?
15 cm3 of 0.2 mole solution hydroxide react with 10cm3 of 0.15 mole of phosphoric acid H3PO4. Find the formula of the salt formed?
Joey and Judy are both studying factors that affect the growth rate of white maple trees. Both have developed and completed several experiments testing this situation. Frustrated by the results, they come together and share their ideas and results. This is an example of
Derive the term symbol for the first excited state of H2 molecule.
Discuss the infrared spectrum of CO2 molecule.
whuch ion can be easily oxidized by O2 in the air?