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I’m confused about questions 17, 18, and 19. Thank you!
SHOW ALL woRK FOR FULL CREDIT. PARTİAL CREDIT wiLL BE GIVEN. Dont forget significant figures and units in your answers and o
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Molan onan ck №BHa_ (23+10.81+ 4x1.co) aur, 37.8 Mars% 2 = 7S.62 Maton x 254 NabH 7562 9 NaBHa 18. Percudage yield Actual yie+2

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I’m confused about questions 17, 18, and 19. Thank you! SHOW ALL woRK FOR FULL CREDIT....
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