The formula of sodium phosphate is Na3PO4. What is the mass of 0.146 mol of Na3PO4? (atomic masses : Na = 23.0 amu, P = 31.0 amu; O = 16.0 amu).
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Answer:
23.9g
Explanation:
formula used:
mol = mass/atomic masses
Overall atomic mass of Na3PO4; (just add up their masses)
(23x3) + (31) + (16x4) = 164
Thus: (plug it all in the formula!)
0.146 = mass/164
And algebra it!
0.146 x 164 = mass
= 23.9g
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