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Sliva [168]
4 years ago
5

Give the number of significant figures: 369,132,000 sec A. 0 B. 6 C. 9

Chemistry
2 answers:
Darya [45]4 years ago
5 0

A. 6

is the answer for this problem

arlik [135]4 years ago
3 0

Answer:

A. 6

Explanation:

369 132 000 s

The important rules are

• Digits other than zero are significant

• Trailing zeroes before the decimal point are not significant

The decimal point is after the last zero, so the three zeroes are not significant,

Thus, the underlined digits in <u>369</u> <u>132 </u>000 are significant.

There are six significant figures in the measurement.

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0.05 moles of HCL are added to 2 L of H2O. What is the molarity of the solution?
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The molarity of the solution made by dissolving 0.05 mole of HCl in 2 L of H₂O is 0.025 M

<h3>What is molarity? </h3>

Molarity is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:

Molarity = mole / Volume

<h3>How to determine the molarity </h3>
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