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Mademuasel [1]
3 years ago
5

Which of the following statements is false?​

Chemistry
1 answer:
Artist 52 [7]3 years ago
7 0
The correct answer in 81
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Science<br><br> 0.00098 I need that converted to the scientific notation I need help quick
Viktor [21]

Answer:

9.8×10^-4...... is the answer

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2 years ago
Compute 214.056 + 9.3456. Round the answer appropriately
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2 years ago
What is the mass in grams of 5.00moles of CH4?
anastassius [24]

Answer:

1. 80g

2. 1.188mole

Explanation:

1. We'll begin by obtaining the molar mass of CH4. This is illustrated below:

Molar Mass of CH4 = 12 + (4x1) = 12 + 4 = 16g/mol

Number of mole of CH4 from the question = 5 moles

Mass of CH4 =?

Mass = number of mole x molar Mass

Mass of CH4 = 5 x 16

Mass of CH4 = 80g

2. Mass of O2 from the question = 38g

Molar Mass of O2 = 16x2 = 32g/mol

Number of mole O2 =?

Number of mole = Mass /Molar Mass

Number of mole of O2 = 38/32

Number of mole of O2 = 1.188mole

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3 years ago
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