Chemistry, 01.10.2019 22:00 zacksoccer6937
Awhite powder is known to be a mixture of magnesium oxide and aluminum oxide. 100cm3 of 2moldm-3 naoh(aq) is just sufficient to cause the aluminum oxide in x grams of the mixture to dissolve. the reaction occurring is al2o3 + 2oh- + 3h2o > 2al(oh)4- 800cm3 of 2 moldm-3 hcl (aq) is just sufficient to cause all of the oxide in x grams of the mixture to dissolve. the reactions occurring are al2o3 + 6h > 2al3+ + 3h2o and mg2+ +h2o. how many moles of each oxide are present in x grams of the mixture ? a. aluminium oxide 0.05, magnesium oxide 0.25 b. aluminium oxide 0.05, magnesium oxide 0.50 c. aluminium oxide 0.10, magnesium oxide 0.25 d. aluminium oxide 0.10, magnesium oxide 0.50
Answers: 2
Chemistry, 23.06.2019 03:00
Asample of sea water contains 6.28g of sodium chloride per litre of solution. how many milligrams of sodium chloride would be contained in 15.0ml of this solution?
Answers: 3
Chemistry, 23.06.2019 06:30
Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?
Answers: 1
Awhite powder is known to be a mixture of magnesium oxide and aluminum oxide. 100cm3 of 2moldm-3 nao...
Mathematics, 17.07.2020 04:01
Mathematics, 17.07.2020 04:01
Mathematics, 17.07.2020 04:01
Computers and Technology, 17.07.2020 04:01
Mathematics, 17.07.2020 04:01