The equation of reaction between potassium and water.
2K + 2H[sub]2[/sub]O(1) --> 2KOH(aq) + H[sub]2 [/sub]
Find the mass of potassium needed to produce 1.505 x 10[sup]24[/sup] hydorgen molecule.
1
Expert's answer
2011-06-09T10:12:00-0400
Let's find the amount of moles of H2: 1.505x1024/6.022 x 1023 = 2.5 mol. From the ballanced equation 2K + 2H2O(1) -> 2KOH(aq) + H2 we can see that potassium has twice mol than H2. v(H2) = 5 mol. The mass of the potassium is 39 g/mol/ * 5 mol = 195 g.
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
APPROVED BY CLIENTS
"assignmentexpert.com" is professional group of people in Math subjects! They did assignments in very high level of mathematical modelling in the best quality. Thanks a lot
Comments
Leave a comment