Answer:
to me shes saying that you must read you vocab before reading your 6 paragraph article, then when you read that you will awnser some questions and they will all be in a student handout?
i kinda dont understand its confusing
Explanation:
Hey there!:
Molar mass CO2 = 44.01 g/mol
44.01 g CO2 ------------------- 6.02*10²² molecules CO2
88 g CO2 ------------------------ y
y = 88 * ( 6.02*10²² ) / 44.01
y = 5.29*10²⁵ / 44.01
y = 1.2 * 10²⁴ molecules of CO2
Answer A
Hope that helps!
Mole =mass ÷ Mr
∴mass = mole×Mr =0.10 × (23+35.5) = 5.85
the answer is D...
The Mr is obtained from the periodic table
D i think if not here’s this a collection of beliefs or practices mistakenly regarded as being based on scientific method