Which of the following describes the correct procedure to prepare 2.0 L of 0.50 M NH Br(aq)? (The molar mass of NH, Br is 98 g/mol.)
Choose 1
BO
Add 49 g of NH Br(s) to 2.0 L of distilled water.
Add 98 g of NH Br(s) to 2.0 L of distilled water.
MY
Col
Dissolve 49 g of NH Br(s) in a small amount of distilled water and dilute to 2.0 L.
SA
Dissolve 98 g of NH Br(s) in a small amount of distilled water and dilute to 2.0 L.

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table