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Alinara [238K]
3 years ago
8

A base is a substance that accepts protons. true or false?

Chemistry
2 answers:
oee [108]3 years ago
5 0

Answer:

true

Explanation:i took a test got it right

umka21 [38]3 years ago
3 0
True................
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How many grams of NaOH is needed to neutralize 90 mL of 1.5 N HCl?
AnnZ [28]

mol = conc × v

= 1.5 × 0.09

= 0.135 moles of HCl

HCl + NaOH > NaCl + H2O

1 mole HCl = 1 mole NaOH

0.135 mol HCl = x

x = 0.135 mol NaOH

mass = mol × molar mass

= 0.135 × 40

= 5.4 g

NaOH = 23 + 16 + 1 = 40 g/mol

I'm not a 100% sure if it's correct

6 0
3 years ago
If an equivalent (eq) is defined as a mole of charge, what is the concentration of ca2 in blood plasma in eq if its concentratio
diamong [38]

The concentration of ca 2 in blood plasma in equivalent if its concentration is 0.0080.

Concentration means the amount of or parts in terms of the alternative components. For acid–base reactions, the equivalent weight of an acid or base is the mass which materials or reacts with one mole of hydrogen

In chemistry, equal weight (additionally known as gram equal is the mass of 1 equivalent, that is the mass of a given substance as a way to integrate with or displace a fixed amount of any other substance. The equivalent weight of an detail is the mass which combines with or displaces 1.008 gram of hydrogen or eight. Zero grams of oxygen or 35.five grams of chlorine. those values correspond to the atomic weight divided through the usual valence for oxygen as example that is sixteen.

Charge on one Ca ​​​​2+  ion = + 2 .

Concentration of calcium ion = 0.0040M

⇒ Concentration of Ca ​​​​​2 +  in blood plasma = 0.0040 × 2

=  0.0080 equivalent  Ca ​​​​​2                  answer

Learn more about concentration here :- brainly.com/question/14469428

#SPJ4

4 0
2 years ago
Which of the following elements is a poor conductor of heat and electricity?
Leno4ka [110]
The answer is B I’m pretty sure
4 0
3 years ago
Read 2 more answers
Balance the following chemical equation (which is for this reaction) and list the number of atoms of each element present before
Inga [223]
<h3><u>Answer and explanation</u>;</h3>

The balanced chemical equation will be;

NaHCO3 +  CH3COOH = CH3COONa + H2O + CO2

After balancing the chemical equation the number of atoms of each element is the same on the reactants and on the products side.

Sodium atoms - 1

Hydrogen atoms - 5

Carbon atoms - 3

Oxygen atoms - 5

5 0
4 years ago
The only positive ion found in H2SO4(aq) is the
Hitman42 [59]

The answer is ammonium iron

3 0
4 years ago
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