Chemistry, 26.03.2020 23:27 johnkhan6748
After identifying the anions (negative ions), in each of the following
compounds, write the formula for the compound in either the soluble
beaker or insoluble box in the correct anion section, on the other page.
AgCl
NaCzH302
Lici
H2SO4
Pb(NO3)2
CaCO3
NaOH
Ca(OH)2
КОН
Cu(OH)2
CaSO4
HCI
(NH4)3PO4
Ca(NO3)2
MgCO3
Answers: 2
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Chemistry, 22.06.2019 02:30
What is the relation between concentration of reactants and the rate of chemical reaction?
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Chemistry, 22.06.2019 11:40
Modern pennies are composed of zinc coated with copper. a student determines the mass of a penny to be 2.482 g and then makes several scratches in the copper coaling (to expose the underlying zinc). the student puts the scratched penny in hydrochloric acid, where the following reaction occurs between the zinc and the hcl (the copper remains undissolved): zn(s) + 2 hcl(aq) → h2(g) + zncl(aq)the student collects the hydrogen produced over water at 25 °c. the collected gas occupies a volume of 0.899 l at a total pressure of 79 j mmhg. calculate the percent zinc (by mass) in the penny. (assume that all the zn in the penny dissolves.)
Answers: 1
After identifying the anions (negative ions), in each of the following
compounds, write the fo...
compounds, write the fo...
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