09/13/23

Calculate the OH- concentration
An aqueous solution at  25 C has a H2O+ concentration of 2. x 10-7 M. Calculate the OH- concentration. Be sure your answer has 1 significant digits. 
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09/12/23

Solution chemistry problem
What volume ( in mL) of a soft drink that is 10.5% sucrose by mass contains 78.5g of sucrose ? (The density of solution is 1.04g/mL )
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09/06/23

what will the rate constant be at 276.0 °C?
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy Ea = 59.0 kJ/mol. If the rate constant of this reaction is 6.7 × 102 M-1•s-1 at... more
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02/15/23

In this mass spectrum, which peak most likely represents the molecular ion? 𝑚𝑧=85 𝑚𝑧=100 𝑚𝑧=71 𝑚𝑧=29 𝑚𝑧=57 𝑚𝑧=43

https://content.macmillan-learning.com/cms-nga/7079ba6b57e0d5f262999372628894ee13101e5d/480503_spectrum.PNGPicture of graph
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