Chemistry, 20.08.2021 14:00 happy121906
Cho 5,4 gam al tác dụng vừa đủ với m gam dung dịch HCL 18,25% thu được khí h2 và dung dịch x .hỏi a, thể tích h2 thu được .b, tính nồng độ phần trăm của chất tan trong x
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Chemistry, 21.06.2019 22:30
How many moles are in 250 grams of tungsten (w)? * 4.4x10^23 moles 4.2x10^23 moles 0.7 moles 1.4 moles
Answers: 3
Chemistry, 22.06.2019 12:10
Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Chemistry, 22.06.2019 16:30
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
Chemistry, 22.06.2019 18:30
What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml
Answers: 1
Cho 5,4 gam al tác dụng vừa đủ với m gam dung dịch HCL 18,25% thu được khí h2 và dung dịch x .hỏi a,...
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