In the photo I put some questions of chemistry that I can’t really find myself doing and I need them answered asap with work if you can please.
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Ответ:
Step by step solution:
45 g Cu x 1 mol Cu / 63.54 g Cu
= 0.1802 mol Cu
0.1802 mol Cu x 8 mol HNO3/3 mol Cu =0.4805 mol HNO3
Molar Mass HNO3
= 1.0 + 14.0 +3×16.0
= 63.0 g/mol
0.4805 moles HNO3 x 63.0 g HNO3/1 mol HNO3
= 30.27 g HNO3