12.01 g NH3 = 0.667 mol NH3 = 1 mol H2 = 2.0 g H2
3/17 = x/12.62
x = (3/17) (12.62) = 2.27g
The answer is 2.23 g hydrogen.
2,18 g hydrogen are needed.
2,21 g hydrogen are needed.
12.77
530,3 g potassium iodide are needed.
290 grams
Voltage is electrical pressure and Joules is a power rating so other info is needed
2 grams is 2,000mg
2,957.177 grams.
10.1 grams
319g Cl2 are needed.
A lot
800 g oxygen are needed.
mass of CaCO3 = 246 grams
201
326g
530,3 g potassium iodide are needed.
The needed mass of sodium is 91,659 g (for 2 moles H2).
Answering "http://wiki.answers.com/Q/How_many_grams_of_calcium_chloride_are_needed_to_produce_10_g_of_potassium_chloride"
112,64 g of NaOH and 138,1 g of H2SO4
You need 150,41 g oxygen.