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Year 11 post test MTD calculation practice
By Phoenix Hoyle
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Last updated 11 months ago
9 questions
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Note from the author:
Calculation practice post RGSHW end of topic test on calculations
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Question 1
1.
GCSE target grade
Question 2
2.
GCSE grade in last test
Question 3
3.
Moles required = C x V = _______ moles.
RFM of sodium carbonate = _______
mass = moles x RFM. = _______ g.
Question 4
4.
(b) (i) CO
3
2-
+ 2H
+
-> CO
2
+ H
2
O
(b) (ii) moles sodium carbonate = C x V = _______
moles HCl = 2 x moles of sodium carbonate = _______
concentration of HCl = moles / volume = _______ mol/dm
3
Question 5
5.
RFM glucose = _______
moles = mass / RFM = _______
moles ethanol = 2 x mol glucose = _______
RFM ethanol = _______
mass of ethanol = moles x RFM = _______ g
Moles carbon dioxide = moles of ethanol = _______
Volume of carbon dioxide = moles x volume (of one mole) = _______ cm
3
Volume of carbon dioxide in dm3 - = _______
Calculate the atom economy if ethanol is the only desired product.
Atom economy = mass of desired product / total mass of products x 100 _______ %
Question 6
6.
Moles Ag = mass / RAM = _______
Moles Cu = Moles Ag / 2 = _______
Mass Cu = Moles Cu x RAM = _______ g
Question 7
7.
Moles of oxygen = mass / RAM = _______
Moles of tin = mass /RAM = _______
Divide both values by the smallest value to get SnO _______
Question 8
8.
Volume in dm
3
= volume in cm
3
/ 1000 = _______
Concentration = mass / volume = _______ g/dm
3
Or just use logic if I have a 1/4 of the volume I will have a 1/4 of the mass so the full mass is 4 x mass in 250cm
3
Question 9
9.
I feel more confident in this topic having completed the Formative
True
False