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3 years ago

2H20 Which is the reactant

Chemistry

1 answer:

Lisa [10]3 years ago

3 0

Answer:

the reactants are 2h2 and 02. the products are 2h20

have a great day my friend ;)

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Exactly 17.0 mL of a H2SO4 solution was required to neutralize 45.0 mL of 0.235 M NaOH. What was the concentration of the H2SO4

aleksandr82 [10.1K]

Answer:

Molarity for the sulfuric acid is 0.622 M

Explanation:

When we neutralize an acid with a base, molarity of both . both volume are the same. The formula is:

M acid . volume of acid = M base . volume of base

M acid = unknown

Volume of acid = 17 mL

Volume of base = 45 mL

M base = 0.235 M

Therefore, we replace: M acid . 17 mL = 0.235 M . 45 mL

M acid = (0.235 M . 45 mL) / 17 mL

M acid = 0.622 M

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3 years ago

50.0 mL of an HNO3 solution were titrated with 36.90 mL of a 0.100 M LiOH solution to reach the equivalence point. What is the m

Xelga [282]

Following reaction takes place between LiOH and HNO3

LiOH + HNO3 → LiNO3 + H2O

Thus, 1 mole of LiOH reacts with 1 mole of HNO3 to form 1 mole of LiNO3.

Now,
Number of millimoles of LiOH consumed = 36.90 X 0.100 = 3.690

∴Number of millimoles of HNO3 present = 3.690

Now, Molarity of HNO3 = $\frac{\text{number of millimoles of HNO3}}{\text{volume of solution (ml)}}$
= $\frac{3.690}{50}$ = 0.0738 M

Thus, molarity of the HNO3 solution is 0.0738 M

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Alexandra [31]

Answer:

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Explanation:

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