Which one of the following formulas represents an aldehyde?
2 answers:
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K is in the first group can form ion K⁺,
N is in third group can form negative ion (8-5=3) N³⁻
N is in third group can form negative ion (8-5=3) N³⁻
Answer:
168.0 g
Explanation:
First thing, write a balanced chemical equation:
n(H2SO4) = concentration * volume
= 1.0 M * 2.0 L
= 2.0 mol
According to the balanced equation, 1 mol of acid requires 2 mol of sodium bicarbonate. This means that 2 mol of acid requires 2 mol of sodium bicarbonate. What mass of sodium bicarbonate is this?
mass (NaHCO3) = number of moles * molar mass
= 2.0 mol * 84.0065 g/mol
= 168.0 g