Chemistry, 10.02.2021 23:50 Demondevilg
A student reacts Mg and HCl together. The product of this reaction is H, gas and MgCl2. The
balanced equation for this reaction is
Mg + 2HCI - H2 + MgCl2
If I need to create 50 L of Hy, how many moles of HCI should I start with?
a) 2.3 mol HCI
b) 4.5 mol HCI
c) 1.1 mol HCI
d) 44.6 mol HCI
Answers: 1
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There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
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A student reacts Mg and HCl together. The product of this reaction is H, gas and MgCl2. The
balance...
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