H2CO3.
Express your answer as an
Question
1. Write the formula of the conjugate base for acid H2CO3.
Express your answer as an
ion.
2. Calculate the [OH−] of each aqueous solution with the following [H3O+]:
stomach acid, 4.5×10−2M
Express your answer using two significant figures.
urine, 6.0×10−6M
Express your answer using two significant figures.
orange juice, 2.2×10−4M
Express your answer using two significant figures.
bile, 7.0×10−9M
Express your answer using two significant figures.
3.what is the balanced equation for the neutralization of each of the following.
H2SO4(aq) and KOH(aq)
Express your answer as a chemical equation. Identify all of the phases in your answer.
HCl(aq) and Al(OH)3(s)
Express your answer as a chemical equation. Identify all of the phases in your answer.
H2SO3(aq) and Mg(OH)2(s)
4. What is the chemical formula for the base cobalt(III) hydroxide?
Express your answer as a chemical formula.
The formula for the selenate ion is SeO42−. Predict the formula for selenic acid.
5. How many moles of Ba(OH)2 are present in 125 mL of 0.600 M Ba(OH)2?
Express your answer with the appropriate units.
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